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Repurchase, Gross Including Not Subject to Master Netting Arrangement Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic Lease, Liability, to be Paid, Due Year One Lease, Liability, to be Paid, Due Year One Lease, Liability, to be Paid, Due Year One Calculations for basic and diluted earnings per common share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Undistributed Earnings (Loss) Available to Common Shareholders, Basic Undistributed Earnings (Loss) Available to Common Shareholders, Basic Offsetting Derivative Liabilities [Abstract] Offsetting Derivative Liabilities [Abstract] OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Derivative Instruments and Hedging Activities Disclosures [Line Items] Cash Flow Hedge Impacts on AOCI [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Equity Securities, FV-NI, Realized Gain (Loss) Equity Securities, FV-NI, Realized Gain (Loss) Occupancy, Net Occupancy, Net Occupancy, Net Loan Pool CRA Investments [Member] Loan Pool CRA Investments [Member] Loan Pool CRA Investments Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Foreign Currency Contracts, Liability, Fair Value Disclosure Foreign Currency Contracts, Liability, Fair Value Disclosure Financial Asset, Not Past Due [Member] Financial Asset, Not Past Due [Member] Equity Securities [Member] Equity Securities [Member] Liabilities, Total Liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Increase (Decrease) in Obligation, Pension Benefits Increase (Decrease) in Obligation, Pension Benefits Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Interest Rate Lock Commitments [Member] Interest Rate Lock Commitments [Member] Interest Rate Lock Commitments [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Payments for (Proceeds from) Loans and Leases Payments for (Proceeds from) Loans and Leases Deposits, Savings Deposits Deposits, Savings Deposits Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis With Unobservable Inputs - Interest Rate Lock Commitements Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis With Unobservable Inputs - Interest Rate Lock Commitements Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis With Unobservable Inputs - Interest Rate Lock Commitements Offsetting Assets [Line Items] Offsetting Assets [Line Items] Derivative Collateral Right to Reclaim Collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Bank Term Funding Program Funding, Fair Value Disclosure Bank Term Funding Program Funding, Fair Value Disclosure Bank Term Funding Program Funding, Fair Value Disclosure Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Loans Sold To Outside Investors Loss Reimbursement Settlement Paid Loans Sold To Outside Investors Loss Reimbursement Settlement Paid Loans Sold To Outside Investors Loss Reimbursement Settlement Paid Consolidation Items [Axis] Consolidation Items [Axis] Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Debt Securities, Available-for-Sale Available for Sale, Total debt securities Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]