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Product Concentration Risk [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Bank-owned life insurance income Bank Owned Life Insurance Income Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Restricted cash Restricted Cash and Cash Equivalent, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense INTEREST EXPENSE Interest Expense, Operating and Nonoperating [Abstract] Salaries and employee benefits Labor and Related Expense Net change in loans and leases Payments for (Proceeds from) Loans and Leases Basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading Arrangements [Line Items] GNMA Loans Government National Mortgage Association (GNMA) [Member] Lines of credit & other Line Of Credit And Other [Member] Line Of Credit And Other [Member] Bank-owned life insurance Bank Owned Life Insurance Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Borrowings Other Borrowings Fair Value Measurement [Domain] Fair Value Measurement [Domain] Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Financial instruments owned at amortized cost Financial Instruments, Owned, at Amortized Cost Financial Instruments, Owned, at Amortized Cost Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Proceeds from borrowings Proceeds from Issuance of Other Long-Term Debt Concentration risk (as a percent) Concentration Risk, Percentage Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Equity Awards Adjustments Equity Awards Adjustments [Member] Asset Acquisition [Line Items] Asset Acquisition [Line Items] Change in fair value of loans held for sale Increase (Decrease) in Loan, Mortgage, Held-for-Sale Net deferred tax asset Deferred Tax Assets, Net Leases & equipment finance Commercial, Leases and Equipment Finance [Member] Commercial, Leases and Equipment Finance [Member] Loans Loans [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Net increase (decrease) in other liabilities Increase (Decrease) in Other Operating Liabilities Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Schedule Of Major Types Loans And Leases, Net Of Deferred Fees And Costs Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Junior subordinated debentures, at fair value Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five Collateral Dependent Loans and Leases Collateral Dependent Loans and Leases [Table Text Block] Collateral Dependent Loans and Leases Equity and other, at fair value Equity and Other Investment Securities Equity and Other securities in investment securities portfolio Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Statement of Cash Flows [Abstract] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Income Taxes and Investment Tax Credits Income Tax Disclosure [Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Business combination, consideration transferred Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Debt Securities, Available-for-sale, Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position Owner occupied term Commercial Real Estate, Owner Occupied Term [Member] Commercial Real Estate, Owner Occupied Term [Member] Earnings per common share: Earnings Per Common Share [Abstract] Earnings Per Common Share [Abstract] Available-for-sale securities, due within one year, amortized cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Investments, Debt and Equity Securities [Abstract] Aggregate Unpaid Principal Balance Fair Value, Option, Aggregate Unpaid Balance, Loans and Long-term Receivables Fair Value, Option, Aggregate Unpaid Balance, Loans and Long-term Receivables Losses resulting from nonrecurring fair value adjustments Loss Measured At Fair Value On Nonrecurring Basis Loss Measured At Fair Value On Nonrecurring Basis Derivative liability Derivatives Derivative Liability Derivative Liability Entity Address, Address Line One Entity Address, Address Line One Provision for income taxes Income tax expense Income Tax Expense (Benefit) Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Interest rate futures Interest Rate Futures Contracts [Member] Interest Rate Futures Contracts Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Discounted cash flow Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] Card-based fees Card-based Fees [Member] Card-based Fees Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Derivative assets, gross amounts of recognized assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Loans held for sale Loan, Held-for-Sale, Fair Value Disclosure Equity securities held in rabbi trusts Equity Securities, Rabbi Trust [Member] Equity Securities, Rabbi Trust [Member] Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Net proceeds for the issuance of subordinated debentures Proceeds from Issuance of Subordinated Long-Term Debt Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]