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Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Derivative Liability, Fair Value, Amount Offset Against Collateral |  | $ 7,090 | $ 6,713 |
Derivative, Collateral, Obligation to Return Cash |  | 0 | 0 |
Derivative Asset |  | 92,185 | 187,422 |
Derivative Liability |  | 69,246 | 117,959 |
Derivative Asset, Fair Value, Amount Offset Against Collateral |  | 63,867 | 138,636 |
Interest Receivable |  | 43,700 | 36,000 |
Derivative, Collateral, Obligation to Return Securities | [1] | 28,318 | 48,786 |
Derivative, Collateral, Right to Reclaim Cash |  | 33,838 | 62,460 |
Derivative, Collateral, Right to Reclaim Securities | [1] | 28,318 | 48,786 |
Other Assets [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value |  | 75,961 | 138,613 |
Total |  | 97,912 | 187,399 |
Other Liabilities [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value |  | 74,983 | 132,722 |
Total |  | 76,015 | 134,064 |
Interest rate derivatives |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Interest Receivable |  | 1,200 | 1,200 |
Interest rate derivatives | Derivatives designated as hedges: [Member] | Other Assets [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Interest Rate Derivative Assets, at Fair Value | [2],[3] | 21,951 | 48,786 |
Interest rate derivatives | Derivatives designated as hedges: [Member] | Other Liabilities [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Interest rate derivatives | [4],[5] | 1,032 | 1,342 |
Loan level swaps |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Interest Receivable |  | 1,500 | 2,000 |
Loan level swaps | Other Assets [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Total | [2],[3] | 68,726 | 127,228 |
Loan level swaps | Other Liabilities [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Total | [4],[5] | 68,724 | 127,218 |
Foreign exchange contracts | Other Assets [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Total |  | 6,147 | 4,359 | [2]
Foreign exchange contracts | Other Liabilities [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Total |  | 6,147 | 4,349 | [4]
Mortgage Derivatives | Derivatives not designated as hedges: [Member] | Other Assets [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Forward sale hedge commitments | [2] | 56 | 0 |
Derivative Instrument Not Designated as a Hedge, Forward Sale Hedge Commitment, Asset at Fair Value | [2] | 0 | 0 |
Interest rate lock commitments | [2] | 753 | 6,513 |
Mortgage Derivatives | Derivatives not designated as hedges: [Member] | Other Liabilities [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Interest rate lock commitments | [4] | 0 | 0 |
Forward sale hedge commitments | [4] | 0 | 1 |
Derivative Instrument Not Designated as a Hedge, Forward Sale Hedge Commitment, Liability at Fair Value | [4] | 57 | 1,035 |
CME [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Derivative, Collateral, Obligation to Return Cash | [6] | (5,727) | 23 |
Derivative, Collateral, Right to Reclaim Cash | [6] | 6,769 | 16,105 |
Risk Participation Agreement [Member] | Other Assets [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Credit Risk Derivative Assets, at Fair Value | [2] | 279 | 513 |
Risk Participation Agreement [Member] | Other Liabilities [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Credit Risk Derivative Liabilities, at Fair Value | [4] | 55 | 119 |
Derivative Financial Instruments, Assets [Member] | Fair Value, Recurring [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Total |  | 97,912 | 187,399 |
Derivative Financial Instruments, Assets [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |
Fair value of derivative financial instruments as well as their classification on the balance sheet |  |  |  |
Total |  | $ 97,912 | $ 187,399 |
[1] | Reflects offsetting derivative positions with the same counterparty that are not netted on the balance sheet.
[2] | All asset derivatives are located in other assets on the balance sheet
[3] | Approximately $1.2 million and $1.5 million of accrued interest receivable is included in the fair value of the interest rate and loan level asset derivatives, respectively, at December 31, 2021, in comparison to accrued interest receivable of approximately and $1.2 million and $2.0 million, respectively, at December 31, 2020.
[4] | All liability derivatives are located in other liabilities on the balance sheet
[5] | Approximately $5,000 and $1.5 million of accrued interest payable is included in the fair value of interest rate and loan level derivative liabilities as of December 31, 2021, in comparison to accrued interest payable of approximately $81,000 and $2.0 million, respectively, at December 31, 2020.
[6] | Netting adjustments represent the amounts recorded to convert derivative assets and liabilities cleared through CME from a gross basis to a net basis, inclusive of the variation margin payments, in accordance with applicable accounting guidance. As displayed in the table above, derivatives that cleared through the CME were either in a net asset position or a net liability position as of December 31, 2021 and 2020.

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