Business Combinations [Abstract] Schedule of Net Liabilities Acquired Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization (accretion) of fees, discounts, premiums and intangible assets, net Amortization Accretion of Fees Discounts Premiums and Intangible Assets Net The aggregate amount of recurring noncash expense charged against earnings in the period for net deferred loan fees, discounts/premiumns of investments and to allocate the cost of intangible assets over their estimated remaining economic lives. Cash received from FDIC under loss share Increase (Decrease) in FDIC Indemnification Asset Increase (Decrease) in FDIC Indemnification Asset Depreciation Depreciation, Nonproduction Stock option compensation expense Stock or Unit Option Plan Expense Provision for loan losses Provision for Loan and Lease Losses Loss on real estate held for sale, net (Gain) Loss on Sale of Investments in Securities and Other The net gain or loss on sale of investments in securities and other. Decrease (increase) in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Increase in FDIC loss share receivable Increase (Decrease) in FDIC Loss Share Receivable Increase (Decrease) in FDIC Loss Share Receivable Increase (decrease) in income taxes payable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Decrease in other assets Increase (Decrease) in Other Operating Assets Increase (decrease) in accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Net principal collections (loan originations) Loans Originated Net of Principal Collections Loans Originated Net of Principal Collections FHLB stock redemptions Payments for (Proceeds from) Federal Home Loan Bank Stock Available-for-sale securities purchased Payments to Acquire Available-for-sale Securities Principal payments and maturities of available-for-sale securities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Available-for-sale securities sold Proceeds from Sale of Available-for-sale Securities Held-to-maturity securities purchased Payments to Acquire Held-to-maturity Securities Principal payments and maturities of available-for-sale securities Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities Net cash received from acquisition Cash Acquired from Acquisition Proceeds from sales of real estate held for sale Proceeds from Sale of Property Held-for-sale Proceeds from sales of covered REO Proceeds From Sales of Covered Real Estate Owned The cash inflow associated with the sale of covered real estate owned. Premises and equipment purchased and REO improvements Premises and Equipment Purchased and REO Improvements Premises and Equipment Purchased and REO Improvements Net cash provided (used) by investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Net increase (decrease) in customer accounts Increase (Decrease) in Deposits Net decrease in borrowings Proceeds from (Repayments of) Debt Proceeds from exercise of common stock options Proceeds from Stock Options Exercised Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Treasury stock purchased Payments for Repurchase of Common Stock Decrease in advance payments by borrowers for taxes and insurance Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance Increase/ (decrease) in advances by borrowers for taxes and insurance Net cash provided (used) by financing activities Net Cash Provided by (Used in) Financing Activities Increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Non-cash investing activities Non-Cash Investing Activities [Abstract] Non-Cash Investing Activities [Abstract] Non-covered real estate acquired through foreclosure Non Covered Real Estate Acquired Through Foreclosure The amount of non-covered real estate investments acquired through foreclosure during the period. Title through foreclosure occurs in a legal proceeding in which a secured creditor obtains title typically be bidding the amount of debt owed to it after the borrower has defaulted on the debt instrument. Covered real estate acquired through foreclosure Covered Real Estate Acquired Through Foreclosure The amount of covered real estate investments acquired through foreclosure during the period. Title through foreclosure occurs in a legal proceeding in which a secured creditor obtains title typically be bidding the amount of debt owed to it after the borrower has defaulted on the debt instrument. Cash paid during the period for Cash Paid During Period For [Abstract] Cash Paid During Period For [Abstract] Interest Interest Paid Income taxes Income Taxes Paid The following summarizes the non-cash activities related to acquisitions Other Noncash Investing and Financing Items [Abstract] Fair value of assets acquired Fair Value of Assets Acquired Fair value of liabilities assumed Liabilities Assumed Net fair value of assets (liabilities) Net Fair Value of Assets (Liabilities) Net Fair Value of Assets (Liabilities) Allowance for Losses on Loans [Abstract] Allowance for Losses on Loans [Abstract] Allowance for Losses on Loans Allowance for Credit Losses [Text Block] Covered Assets [Abstract] Covered Assets [Abstract] Schedule of Changes in Carrying Amount and Accretable Yield of Assets Schedule of Changes in Carrying Amount and Accretable Yield of Assets [Table Text Block] Schedule of Changes in Carrying Amount and Accretable Yield of Assets [Table Text Block] Schedule of Activity for FDIC Indemnification Asset Schedule of Activity for FDIC Indemnification Asset [Table Text Block] Schedule of Activity for FDIC Indemnification Asset [Table Text Block] Summary of Loans Based on Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Analysis of Age of Purchased Non-Credit Impaired Loans In Past Due Status Analysis of Aging of Non-Credit Impaired Loans [Table Text Block] Analysis of Aging of Non-Credit Impaired Loans [Table Text Block] Fair Value Measurements [Abstract] Fair Value Measurements [Abstract] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Corporate Bond Securities [Member] Corporate Bond Securities [Member] US Government Agencies Debt Securities [Member] Agency Securities [Member] Agency Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Portfolio Segment [Axis] Financing Receivable Allowance [Domain] Financing Receivable Allowance [Domain] Residential Portfolio Segment [Member] Construction, Speculative [Member] Construction, Speculative [Member] Construction, Custom [Member] Construction, Custom [Member] Land, Acquisition and Development [Member] Land, Acquisition and Development [Member] Land, Consumer Lot Loans [Member] Land, Consumer Lot Loans [Member] Multi Family Housing [Member] Multi Family Housing [Member] Commercial Real Estate Portfolio Segment [Member] Commercial and Industrial Loans [Member] Commercial and Industrial Loan [Member] Home Equity Line of Credit [Member] Home Equity Line of Credit [Member] Consumer Portfolio Segment [Member] Financing Receivable Information by Credit Quality Indicator [Axis] Credit Quality Indicator [Axis] Financing Receivable, by Credit Quality Indicator [Domain] Financing Receivable, by Credit Quality Indicator [Domain] Internally Assigned Grade [Member] Internally Assigned Grade [Member] Consumer Credit Score [Member] Consumer Credit Score [Member] Performing Financing Receivable [Member] Performing Financing Receivable [Member] Nonperforming Financing Receivable [Member] Nonperforming Financing Receivable [Member] Financing Receivable, Recorded Investment [Line Items] Financing Receivable, Recorded Investment [Line Items] Loans receivable, gross Loans and Leases Receivable, Gross Grade as percentage of total gross loans Grade as Percentage of Total Gross Loans Grade as Percentage of Total Gross Loans Nonaccrual loans by portfolio segment Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest Grade as a percetage of total gross loans Loans and Leases Receivable, Ratio of Nonperforming Loans to All Loans Summary of Activity in Allowance for Loan Losses Allowance for Credit Losses on Financing Receivables [Table Text Block] Summary of Loans Collectively and Individually Evaluated for Impairment and Related Allocation of Reserves Schedule of Loans Collectively and Individually Evaluated for Impairment [Table Text Block] Schedule of Loans Collectively and Individually Evaluated for Impairment [Table Text Block] Sumary of Impaired Loans Based on Type Impaired Financing Receivables [Table Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Covered Assets, Status of Loans Acquired in Transfer [Axis] Covered Assets, Status of Loans Acquired in Transfer [Axis] Loan Status, Designation [Member] Loan Type [Member] Acquired Non Impaired Assets [Member] Acquired Non Impaired Assets [Member] Single Family Residential [Member] Single Family Residential [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Outstanding principal balance of acquired loans Loans and Leases Receivable, Covered Loans Loans and Leases Receivable, Covered Loans, Gross Loans and Leases Receivable, Covered Loans, Current Loans and Leases Receivable, Covered Loans, Current Loans and Leases Receivable, Covered Loans, Current Loans and Leases Receivable, Covered Loans, 30 Days Loans and Leases Receivable, Covered Loans, 30 Days Loans and Leases Receivable, Covered Loans, 30 Days Loans and Leases Receivable, Covered Loans, 60 Days Loans and Leases Receivable, Covered Loans, 60 Days Loans and Leases Receivable, Covered Loans, 60 Days Loans and Leases Receivable, Covered Assets, 90 Days Loans and Leases Receivable, Covered Assets, 90 Days Loans and Leases Receivable, Covered Assets, 90 Days Loans and Leases Receivable, Covered Assets, Past Due Loans and Leases Receivable, Covered Assets, Past Due Loans and Leases Receivable, Covered Assets, Past Due Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition, Purchase Price Allocation [Axis] Business Acquisition, Purchase Price Allocation [Axis] Business Acquisition, Purchase Price Allocation [Axis] Business Acquisition, Purchase Price Allocation [Domain] Business Acquisition, Purchase Price Allocation [Domain] Business Acquisition, Purchase Price Allocation [Domain] Received from South Valley [Member] Received from South Valley [Member] Received from South Valley [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] South Valley Bank [Member] South Valley Bank [Member] South Valley Bank [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Loans receivable, net Business Acquisition, Purchase Price Allocation, Current Assets, Receivables Covered loans receivable, net Business Acquisition, Purchase Price Allocation, Covered Loans Business Acquisition, Purchase Price Allocation, Covered Loans Customer accounts Business Acquisition, Purchase Price Allocation, Customer Accounts Business Acquisition, Purchase Price Allocation, Customer Accounts Transaction deposits acquired Transaction Deposits Transaction Deposits Number of branches acquired (in branches) Number of Branches Acquired Number of Branches Acquired Total considerartion Business Acquisition, Cost of Acquired Entity, Purchase Price Equity Issued Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable Cash paid Business Acquisition, Cost of Acquired Entity, Cash Paid Potential reduction in purchase price, earn-out assets Potential Reduction in Purchase Price, Earn-Out Assets Potential Reduction in Purchase Price, Earn-Out Assets Schedule of Available-for-sale and Held-to-maturity Securities [Table] Schedule of Available-for-sale and Held-to-maturity Securities [Table] Schedule of Available-for-sale and Held-to-maturity Securities [Table] Major Types of Debt and Equity Securities [Domain] Municipal Bonds [Member] Municipal Bonds [Member] US Treasury and Government [Member] Corporate Debt Securities [Member] Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Debt Security [Axis] Debt Security [Axis] Major Types of Debt Securities [Domain] Major Types of Debt Securities [Domain] Debt Securities [Member] Debt Securities [Member] Available-for-sale Securites and Held-to-maturity Securities [Line Items] Available-for-sale Securites and Held-to-maturity Securities [Line Items] Available-for-sale Securites and Held-to-maturity Securities [Line Items] Available-for-Sale Securities, Amortized Cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Within 1 year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis 1 to 5 years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis 5 to 10 years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Over 10 years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Agency pass-through certificates Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Amortized Cost Basis Available-for-Sale Securities, Gross Unrealized Gains (Losses) Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract] Within 1 year Gross Unrealized Gains, Within One Year Gross Unrealized Gains, Within One Year 1 to 5 years Gross Unrealized Gains After One Through Five Years Gross Realized Gains After One Through Five Years 5 to 10 years Gross Unrealized Gains, After Five Through Ten Years Gross Unrealized Gains, Five Through Ten Years Over 10 years Gross Unrealized Gains, After Ten Years Gross Unrealized Gains, After Ten Years Agency pass-through certificates Gross Unrealized Gains Without Single Maturity Gross Unrealized Gains Without Single Maturity Available-for-sale Securities, Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains Within 1 year Gross Unrealized Losses, Within One Year Gross Unrealized Losses, Within One Year 1 to 5 years Gross Unrealized Losses, AFter One Through Five Years Gross Unrealized Losses, AFter One Through Five Years 5 to 10 years Gross Unrealized Losses, After Five Years Through Ten Years Gross Unrealized Losses, After Five Years Through Ten Years Over 10 years Gross Unrealized Losses, Over Ten Years Gross Unrealized Losses, Over Ten Years Agency pass-through certificates Gross Unrealized Losses Without Single Maturity Gross Unrealized Losses Without Single Maturity Available-for-sale Securities, Gross Unrealized Losses Available-for-sale Securities, Gross Unrealized Losses Available-for-Sale Securities, Fair Value Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Within 1 year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value 1 to 5 years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 5 to 10 years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Over 10 years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Agency pass-through certificates Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Available-for-sale Securities, Debt Securities Available-for-sale Securities, Debt Securities Available-for-Sale Securities, Yield Investment Yield [Abstract] Investment Yield [Abstract] Within 1 year Yield, Within One Year Yield, Within One Year 1 to 5 years Yield, After One Through Five Years Yield, After One Through Five Years 5 to 10 years Yield, After Five Through Ten Years Yield, After Five Through Ten Years Over 10 years Yield, After Ten Years Yield, After Ten Years Agency pass-through certificates Yield, Without Single Maturity Yield, Without Single Maturity Available-for-sale Securities, Yield Available-for-sale Securities, Yield Available-for-sale Securities, Yield Held-to-maturity Securities, Yield Held-to-maturity Securities, Yield Held-to-maturity Securities, Yield Yield Yield Yield Held-to-Maturity Securities, Amortized Cost Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract] Within 1 year Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount 5 to 10 years Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount 5 to 10 years Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount Over 10 years Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount Agency pass-through certificates Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount Held-to-maturity Securities, Debt Maturities, Net Carrying Amount Held-to-maturity Securities, Debt Maturities, Net Carrying Amount Held-to-Maturity Securities, Gross Unrealized Gains Held to Maturity Securities, Gross Unrecognized Gains (Losses) [Abstract] Held to Maturity Securities, Gross Unrecognized Gains (Losses) [Abstract] 1 to 5 years Gross Unrecognized Holding Gains, After One Through Five Years Unrecognized Gains, After One Through Five Years 5 to 10 years Gross Unrecognized Holding Gains, After Five Years Through Ten Years Unrecognized Holding Gains, After Five Years Through Ten Years Over 10 years Gross Unrecognized Holding Gains, After Ten Years Gross Unrecognized Gains, After Ten Years Agency pass-through certificates Gross Unrecognized Gains Without Single Maturity Gross Unrecognized Gains Without Single Maturity Held-to-maturity Securities, Unrecognized Holding Gain Held-to-maturity Securities, Unrecognized Holding Gain Held-to-Maturity Securities, Gross Unrealized Losses Held to Maturity, Gross Unrecognized Losses [Abstract] Held to Maturity, Gross Unrecognized Losses [Abstract] 1 to 5 years Gross Unrecognized Holding Losses, After One Year Through Five Years Gross Unrecognized Holding Losses, After One Year Through Five Years 5 to 10 years Gross Unrecognized Holding Losses, After Five Through Ten Years Unrecognized Holding Losses, After Five Through Ten Years Over 10 years Gross Unrecognized Holding Losses, After Ten Years Gross Unrecognized Losses, After Ten Years Agency pass-through certificates Gross Unrecognized Losses Without Single Maturity Gross Unrecognized Losses Without Single Maturity Held-to-maturity Securities, Unrecognized Holding Loss Held-to-maturity Securities, Unrecognized Holding Loss Held-to-Maturity Securities, Fair Value Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Within 1 year Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value 1 to 5 years Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value 5 to 10 years Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value Over 10 years Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value Agency pass-through certificates Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value Held-to-maturity Securities, Debt Maturities, Fair Value Held-to-maturity Securities, Debt Maturities, Fair Value Investments Investments Gross Unrealized Gains on Investments Gross Unrealized Gains on Investments Gross Unrealized Gains on Investments Gross Unrealized Losses on Investments Gross Unrealized Losses on Investments Gross Unrealized Losses on Investments Investments, Fair Value Disclosure Investments, Fair Value Disclosure Acquisitions Business Combination Disclosure [Text Block] Acquired Impaired Assets [Member] Acquired Impaired Assets [Member] Covered assets Covered Assets Covered assets include loans and real estate held for sale participating in loss share with the FDIC. Loans and Leases Receivable, Covered Loans, Gross Loans and Leases Receivable, Covered Loans, Gross Loans and Leases Receivable, Covered Loans, Gross Discount balance related to acquired loans Receivable with Imputed Interest, Discount Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Balance at beginning of period, AccretableYield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Balance at beginning of period, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net Additions, AccretableYield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Additions Additions, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Additons Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Additons Reclassification from nonaccretable balance, net, AccretableYield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference Reclassification from nonaccretable balance, net, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Reclassifications from Nonaccretable Difference Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Reclassifications from Nonaccretable Difference Accretion, AccretableYield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Transfers to REO, AccretableYield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Transfers to Real Estate Owned Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Transfers to Real Estate Owned Transfers to REO, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Transfers to Real Estate Owned Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Transfers to Real Estate Owned Payments received, net, AccretableYield Certain Loans Acquired in Transfer not Accounted for as Debt Securities Accretable Yield, Payments Certain Loans Acquired in Transfer not Accounted for as Debt Securities Accretable Yield, Payments Payments received, net, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Payments Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Payments Balance at end of period, AccretableYield Balance at end of period, Carrying Amount of Loans FDIC Indemnification Asset Movement Analysis [Roll Forward] FDIC Indemnification Asset Movement Analysis [Roll Forward] Balance at beginning of period FDIC Loss Share Receivable The net present value of the amount expected to be received from the FDIC in connection with loss share agreements. Additions Additions to FDIC Indemnification Asset FDIC Indemnification Asset, Additions Payments made (received) FDIC Indemnification Asset, Payments FDIC Indemnification Asset, Payments Amortization FDIC Indemnification Asset, Amortization FDIC Indemnification Asset, Amortization Accretion, Carrying Amount of Loans FDIC Indemnification Asset, Discount Accretion FDIC Indemnification Asset, Discount Accretion Balance at end of period Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Equity Securities [Member] US States and Political Subdivisions Debt Securities [Member] Foreign Government Debt Securities [Member] Other Debt Obligations [Member] Other Debt Obligations [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Carrying (Reported) Amount, Fair Value Disclosure [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Portion at Fair Value, Fair Value Disclosure [Member] Portion at Fair Value, Fair Value Disclosure [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Available-for-sale securities Available-for-sale Securities, Fair Value Disclosure Held-to-maturity securities Held-to-maturity Securities, Fair Value Disclosure Loans receivable Loans Receivable, Fair Value Disclosure Covered loans FDIC indemnification asset FDIC Indemnification Asset, Fair Value Disclosure FDIC Indemnification Asset, Fair Value Disclosure FHLB stock Federal Home Loan Bank Stock Customer accounts Deposits, Fair Value Disclosure FHLB advances and other borrowings Federal Home Loan Bank Advances, Long Term and Other Borrowings, Fair Value Disclosure Federal Home Loan Bank Advances, Long Term and Other Borrowings, Fair Value Disclosure Loans Receivable (excluding Covered Loans) [Abstract] Loans Receivable (excluding Covered Loans) [Abstract] Non-Acquired Loans [Member] Non-Acquired Loans [Member] Non-Acquired Loans [Member] Acquired Loans [Member] Acquired Loans [Member] Acquired Loans [Member] Credit Impaired Acquired Loans [Member] Credit Impaired Acquired Loans [Member] Credit Impaired Acquired Loans [Member] Amount of Loan, Net of Charge-Offs and LIP Loans Receivable, Net of Charge Offs and Loans in Proces Loans Receivable, Net of Charge Offs and Loans in Proces Current Loans and Leases Receivable, Current Status Loans and Leases Receivable, Current Status 30 Days Loans and Leases Receivable, 1 to 30 Days Past Due Loans and Leases Receivable, 1 to 30 Days Past Due 60 Days Loans and Leases Receivable, 31 to 60 Days Past Due Loans and Leases Receivable, 31 to 60 Days Past Due 90 Days Loans and Leases Receivable, 61 to 90 Days Past Due Loans and Leases Receivable, 61 to 90 Days Past Due Total Loans and Leases Receivable, Past Due Loans and Leases Receivable, Past Due Ratio of past due loans to total loans, net of charge-offs and LIPs Loans and Leases Receivable, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process Loans and Leases Receivable, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process Loans Receivable [Abstract] Loans Receivable [Abstract] Schedule of Loans Receivable (excluding Covered Loans) Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Changes in the Accretable Yield for Credit Impaired Acquired Loans Schedule of Changes in the Accretable Yield for Credit Impaired Acquired Loans [Table Text Block] Schedule of Changes in the Accretable Yield for Credit Impaired Acquired Loans [Table Text Block] Summary of Information Regarding Non-Accrual Loans Schedule of Financing Receivables, Non Accrual Status [Table Text Block] Analysis of Age of Loans in Past Due Status Past Due Financing Receivables [Table Text Block] Schedule of Impaired Loans, Loan Commitments and Loans Serviced Schedule of Impaired Loans, Loan Commitments and Loans Serviced [Table Text Block] Schedule of Impaired Loans, Loan Commitments and Loans Serviced [Table Text Block] Schedule of Loan Modifications Troubled Debt Restructurings on Financing Receivables [Table Text Block] Income Statement [Abstract] INTEREST INCOME Interest and Dividend Income, Operating [Abstract] Loans Interest and Fee Income, Loans and Leases Mortgage-backed securities Interest Income, Securities, Mortgage Backed Investment securities and cash equivalents Investment Income and Other Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Other income includes realized gains and losses and other items not otherwise defined due to materiality considerations. Investment Income, Interest and Dividend Investment Income, Interest and Dividend INTEREST EXPENSE Interest Expense [Abstract] Customer accounts Interest Expense, Deposits FHLB advances and other borrowings Interest Expense, Borrowings Interest Expense Interest Expense Net interest income Interest Income (Expense), Net Provision for loan losses Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss OTHER INCOME Noninterest Income [Abstract] Gain on sale of investments Gain (Loss) on Sale of Securities, Net Other Noninterest Income, Other Operating Income Noninterest Income Noninterest Income OTHER EXPENSE Noninterest Expense [Abstract] Compensation and benefits Labor and Related Expense Occupancy Occupancy, Net FDIC insurance premiums Federal Deposit Insurance Corporation Premium Expense Other Other Noninterest Expense Noninterest Expense Noninterest Expense Loss on real estate acquired through foreclosure, net Gains (Losses) on Sales of Other Real Estate Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) NET INCOME PER SHARE DATA Earnings Per Share [Abstract] Basic earnings (in dollars per share) Earnings Per Share, Basic Diluted earnings (in dollars per share) Earnings Per Share, Diluted Cash dividends per share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Basic weighted average number of shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted weighted average number of shares outstanding, including dilutive stock options (in shares) Weighted Average Number of Shares Outstanding, Diluted Accounts, Notes, Loans and Financing Receivable by Receivable Type [Axis] Receivable Type [Axis] Receivable Type [Domain] Receivable Type [Domain] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Additions, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount of Loans, Additions Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount of Loans, Additions Transfers to REO, AccretableYield Payments received, net, AccretableYield Statement of Financial Position [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Treasury stock, shares (in shares) Treasury Stock, Shares Construction, Speculative and Land, Acquisition and Development [Member] Construction, Speculative and Land, Acquisition and Development [Member] Construction, Speculative and Land, Acquisition and Development [Member] HELOC & Other Consumer [Member] Home Equity Line of Credit and Other Consumer Loans [Member] Home Equity Line of Credit and Other Consumer Loans [Member] Consumer Portfolio Segment [Member] Pass [Member] Pass [Member] Special Mention [Member] Special Mention [Member] Substandard [Member] Substandard [Member] Doubtful [Member] Doubtful [Member] Loss [Member] Loss [Member] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Evaluation for Impairment of Loans Receivable and Allowance for Loans Receivable [Axis] Evaluation for Impairment of Loans Receivable and Allowance for Loans Receivable [Axis] Loans Receivable and Allowance for Loans Receivable, Impairment, Type [Member] Loans Receivable and Allowance for Loans Receivable, Impairment, Type [Member] Loans Receivable and Allowance for Loans Receivable, Impairment, Type [Member] Loans Collectively Evaluated for Impairment [Member] Loans Collectively Evaluated for Impairment [Member] Loans Individually Evaluated for Impairment [Member] Loans Individually Evaluated for Impairment [Member] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Losses [Line Items] Loans in process Loans and Leases Receivable, Loans in Process Financing Receivable, Allowance for Credit Losses [Roll Forward] Financing Receivable, Allowance for Credit Losses [Roll Forward] Beginning Allowance Financing Receivable, Allowance for Credit Losses Charge-offs Financing Receivable, Allowance for Credit Losses, Write-downs Recoveries Financing Receivable, Allowance for Credit Losses, Recovery Provisions & Transfers Financing Receivable, Allowance for Credit Losses, Provision and Transfers Financing Receivable, Allowance for Credit Losses, Provision and Transfers Ending Allowance Ratio of type of loan to total loans receivable Loans and Leases Receivable, Ratio of Loan Type to All Loans Loans and Leases Receivable, Ratio of Loan Type to All Loans Allowance as a percentage of outstanding loans and leases Allowance as a Percentage of Outstanding Loans and Leases Allowance as a Percentage of Outstanding Loans and Leases Percentage increase (decrease) in nonperforming assets Percentage Increase (Decrease) in Nonperforming Assets Percentage Increase (Decrease) in Nonperforming Assets Allowance for credit losses, charge-offs, net of recoveries Financing Receivable, Allowance for Credit Losses, Charge-offs, Net of Recoveries Reduction to the allowance for credit losses related to financing receivables deemed uncollectible, net of recoveries Discount on acquired loans Discount on Acquired Loans Discount on Acquired Loans Deferred net origination fees Loans and Leases Receivable, Deferred Income Loans and Leases Receivable, Charges to Allowance, Loans in Process and Deferred Fees Loans and Leases Receivable, Charges to Allowance, Loans in Process and Deferred Fees Loans and Leases Receivable, Charges to Allowance, Loans in Process and Deferred Fees Statement of Other Comprehensive Income [Abstract] Other comprehensive income (loss) net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net unrealized losses on available-for-sales securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Related tax benefit Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Reclassification adjustment of net gain from sale of available-for-sale securities included in net income Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax Related tax benefit (expense) Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Covered Assets Assets Covered By FDIC Loss Share Disclosure [Text Block] Assets Covered By FDIC Loss Share Disclosure [Text Block] Assets: Business Acquisition, Purchase Price Allocation, Current Assets [Abstract] Cash and cash equivalents Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents Available for sale securities Business Acquisition, Purchase Price Allocation, Current Assets, Marketable Securities FHLB stock Business Acquisition, Purchase Price Allocation, FHLB Stock Business Acquisition, Purchase Price Allocation, FHLB Stock FDIC indemnification asset Business Acquisition, Purchase Price Allocation, FDIC Indemnification Asset Business Acquisition, Purchase Price Allocation, FDIC Indemnification Asset Property and equipment, net Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Core deposit intangible Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Real estate held for sale Business Acquisition, Purchase Price Allocation, Current Assets, Asset Held-for-sale Covered real estate held for sale Business Acquisition, Purchase Price Allocation, Covered Real Estate Held for Sale Business Acquisition, Purchase Price Allocation, Covered Real Estate Held for Sale Goodwill Business Acquisition, Purchase Price Allocation, Goodwill Amount Other assets Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets Total Assets Business Acquisition, Purchase Price Allocation, Assets Acquired Liabilities: Business Acquisition, Purchase Price Allocation, Current Liabilities [Abstract] FHLB advances Business Acquisition, Purchase Price Allocation, FHLB Advances Business Acquisition, Purchase Price Allocation, FHLB Advances Other liabilities Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities Total Liabilities Business Acquisition, Purchase Price Allocation, Liabilities Assumed Net assets acquired Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net Consideration provided: Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract] Total considerartion Allowance for probable losses Charges against loans receivable Loans receivable, net Loans and Leases Receivable, Net Amount Accounting Policies [Abstract] Off-Balance-Sheet Credit Exposures Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Financial Instrument [Axis] Fair Value, Off-balance Sheet Risks, Financial Instruments [Domain] Types of Financial Instruments [Domain] Loans and Leases Receivable [Member] Loans and Leases Receivable [Member] Loans in process (excluding covered loans) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Change During Period, Fair Value Disclosure [Member] Change During Period, Fair Value Disclosure [Member] Fair Value by Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Assets Measured on NonRecurring Basis, by Type [Axis] Assets Measured on NonRecurring Basis, by Type [Axis] Assets Measured on Nonrecurring Basis, Name [Member] Assets Measured on Nonrecurring Basis, Name [Member] Impaired Loans [Member] Impaired Loans [Member] Covered Real Estate Owned [Member] Covered Real Estate Owned [Member] Covered Real Estate Owned [Member] Real Estate Held for Sale [Member] Real Estate Held for Sale [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets, Fair Value Disclosure, Nonrecurring Assets, Fair Value Disclosure, Nonrecurring Loss Related to Impaired Loans and Real Estate Held for Sale, Measured on Nonrecurring Basis Loss Related to Impaired Loans and Real Estate Held for Sale, Measured on Nonrecurring Basis Fair value adjustments to collateral dependent loans and real estate held for sale are recorded to reflect write-downs of principal balances based on the current appraised or estimated value of the collateral. Term of Contractual Due Dates of Substantially All Mortgage-Backed Securities Term of Contractual Due Dates of Substantially All Mortgage-Backed Securities Term of Contractual Due Dates of Substantially All Mortgage-Backed Securities ASSETS Assets [Abstract] Cash and cash equivalents Available-for-sale securities, at fair value Available-for-sale Securities Held-to-maturity securities, at amortized cost Held-to-maturity Securities Loans receivable, net Covered loans, net Loans and Leases Receivable, Covered Loans, Net Reported Amount Loans and Leases Receivable, Covered Loans, Net Reported Amount Interest receivable Accrued Investment Income Receivable Premises and equipment, net Property, Plant and Equipment, Net Real estate held for sale Real Estate Held-for-sale Covered real estate held for sale Real Estate Held for Sale, Covered Real Estate Held for Sale Carrying amount as of the balance sheet date of covered investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. FDIC indemnification asset Intangible assets, net Goodwill and Intangible Assets, Net Sum of the carrying amounts of all goodwill and intangible assets of the balance sheet date, net of accumulated amortization and impairment charges. Federal and state income tax assets, net Income Taxes Receivable Other assets Other Assets Assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Liabilities Liabilities [Abstract] Customer accounts Deposits [Abstract] Transaction deposit accounts Time deposit accounts Time Deposits Savings and Demand Accounts and Repurchase Agreements with Customers Savings and Demand Accounts and Repurchase Agreements with Customers Savings and Demand Accounts and Repurchase Agreements with Customers FHLB advances Long-term Federal Home Loan Bank Advances Advance payments by borrowers for taxes and insurance Advance Payments by Borrowers for Taxes and Insurance Federal and State income tax liabilities, net Taxes Payable Accrued expenses and other liabilities Accounts Payable and Other Accrued Liabilities Liabilities Liabilities Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Common stock, $1.00 par value, 300,000,000 shares authorized; 131,966,720 and 129,950,223 shares issued; 105,498,098 and 106,177,615 shares outstanding Common Stock, Value, Issued Paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive income, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost; 26,468,622 and 23,772,608 shares Treasury Stock, Value Retained earnings Retained Earnings (Accumulated Deficit) Stockholders' Equity Attributable to Parent Stockholders' Equity Attributable to Parent Liabilities and Equity Liabilities and Equity Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status Loans and Leases Receivable, Ratio of Type of Nonperforming Loans to All Nonperforming Loans Loans and Leases Receivable, Ratio of Type of Nonperforming Loans to All Nonperforming Loans Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Financing Receivable, Impairment, No Related Allowance [Member] Financing Receivable, Impairment, No Related Allowance [Member] Financing Receivable, Impairment, Allowance Recorded [Member] Financing Receivable, Impairment, Allowance Recorded [Member] Financing Receivable, Impairment, Allowance Recorded [Member] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Recorded Investment Impaired Financing Receivable, Recorded Investment Unpaid Principal Balance Impaired Financing Receivable, Unpaid Principal Balance Related Allowance Impaired Financing Receivable, Related Allowance Average Recorded Investment Impaired Financing Receivable, Average Recorded Investment Amount of related allowance included in specific reserves Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Amount of related allowance included in general reserves Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Loans Receivable (excluding Covered Loans) Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Covered Assets by Internally Assigned Grade Based on Loan Status Designation [Table] Covered Assets by Internally Assigned Grade Based on Loan Status Designation [Table] Covered Assets by Internally Assigned Grade Based on Loan Status Designation [Table] Covered Assets, Loan Status Designation [Line Items] Covered Assets, Loan Status Designation [Line Items] Discount balance related to acquired loans Covered loans, allowance for losses Covered Loans, Allowance for Losses Covered Loans, Allowance for Losses Loans and Leases Receivable, Covered Loans, Net Reported Amount Residential Portfolio Segment [Member] Construction, Speculative [Member] Construction, Custom [Member] Land, Acquisition and Development [Member] Land, Consumer Lot Loans [Member] Multi Family Housing [Member] Commercial Real Estate Portfolio Segment [Member] Commercial and Industrial Loans [Member] Home Equity Line of Credit [Member] Number of Contracts (in contracts) Financing Receivable, Modifications, Number of Contracts During the Period Financing Receivable, Modifications, Number of Contracts During the Period Pre-Modification Outstanding Recorded Investment Financing Receivable, Modifications, Pre-Modification Recorded Investment During the Period Financing Receivable, Modifications, Pre-Modification Recorded Investment During the Period Post-Modification Outstanding Recorded Investment Financing Receivable, Modifications, Post-Modification Recorded Investment During the Period Financing Receivable, Modifications, Post-Modification Recorded Investment During the Period Loan Modification, Basis Point Reduction, Minimum Loan Modification, Basis Point Reduction, Minimum Loan Modification, Basis Point Reduction, Minimum Loan Modification, Basis Point Reduction, Maximum Loan Modification, Basis Point Reduction, Maximum Loan Modification, Basis Point Reduction, Maximum Single Family Residential Loans as Percentage of Restructured Loans Single Family Residential Loans as Percentage of Restructured Loans Single Family Residential Loans as Percentage of Restructured Loans Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Dividends [Abstract] Dividends Dividends [Text Block] Dividends [Text Block] Fair Value of Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Aggregated Balance of Assets Measured at Estimated Fair Value on a Nonrecurring Basis and Total Losses Resulting from Those Fair Value Adjustments Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value of Financial Instruments by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Reconciliation of Amortized Cost to Fair Value of Available-for-Sale and Held-to-Maturity Securities Reconciliation of Amortized Cost to Fair Value, Available-for-sale Securities and Held-to-maturity Securities [Table Text Block] Reconciliation of Amortized Cost to Fair Value, Available-for-sale Securities and Held-to-maturity Securities [Table Text Block] Schedule of Unrealized Losses and Fair Value of Securities Schedule of Unrealized Loss on Investments [Table Text Block] New Accounting Pronouncements [Abstract] New Accounting Pronouncements [Abstract] New Accounting Pronouncements Description of New Accounting Pronouncements Not yet Adopted [Text Block] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Financing Receivable Information by Portfolio Segment [Axis] Financing Receivable, Modifications [Line Items] Financing Receivable, Modifications [Line Items] Number of Contracts (in contracts) Financing Receivable, Modifications, Number of Contracts that Subsequently Defaulted Financing Receivable, Modifications, Number of Contracts that Subsequently Defaulted Recorded Investment Financing Receivable, Modifications, Recorded Investment During the Period Financing Receivable, Modifications, Recorded Investment During the Period