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Derivatives and Hedging Activities (Derivative Positions for Interest Rate Swaps which Qualify as Hedges) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Apr. 01, 2016
Interest rate swaps on borrowings [Member] |  |  |  |
Details of derivative positions for interest rate swaps which qualify as hedges for accounting purposes |  |  |  |
Fair Value | $ (294) |  | $ (1,341) |
Derivative, Notional Amount | $ 25,000 | [1] | $ 75,000 | $ 25,000
Derivative, Average Remaining Maturity | 7 months 13 days |  | 1 year 2 months 4 days |
Derivative, Average Variable Interest Rate | 0.16% |  | 0.22% |
Derivative, Average Fixed Interest Rate | 1.88% |  | 1.53% |
Interest rate swaps on loans [Member] |  |  |  |
Details of derivative positions for interest rate swaps which qualify as hedges for accounting purposes |  |  |  |
Fair Value | $ 11,830 |  | $ 27,021 |
Derivative, Notional Amount | $ 550,000 |  | $ 450,000 |
Derivative, Average Remaining Maturity | 2 years 6 months 29 days |  | 2 years 7 months 28 days |
Derivative, Average Variable Interest Rate | 0.11% |  | 0.15% |
Derivative, Average Fixed Interest Rate | 2.16% |  | 2.37% |
Interest rate collars on loans [Member] |  |  |  |
Details of derivative positions for interest rate swaps which qualify as hedges for accounting purposes |  |  |  |
Fair Value | $ 9,383 |  | $ 21,764 |
Derivative, Notional Amount | $ 400,000 |  | $ 400,000 |
Derivative, Average Remaining Maturity | 1 year 7 months 28 days |  | 2 years 7 months 28 days |
Derivative, Average Variable Interest Rate | 0.11% |  | 0.15% |
Derivative, Cap Interest Rate | 2.73% |  | 2.73% |
Derivative, Floor Interest Rate | 2.20% |  | 2.20% |
Interest Rate Swap [Member] |  |  |  |
Details of derivative positions for interest rate swaps which qualify as hedges for accounting purposes |  |  |  |
Fair Value | $ 20,919 |  | $ 47,444 |
Derivative, Notional Amount | $ 975,000 |  | $ 925,000 |
[1] | Two forward starting swaps with notional amounts of $25.0 million each matured in December 2021. The Company originally entered into these swaps in April 2016 for purposes of hedging $50.0 million of existing junior subordinated dentures

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- Definition Average cap rate on a group of interest rate derivatives, such as interest rate caps or collars. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. + References No definition available. + Details
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- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
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- Definition Average floor rate on a group of interest rate derivatives, such as interest rate floor or collars. If market rates fall below the floor rate, a payment or receipt is triggered on the contract. + References No definition available. + Details
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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Average variable interest rate related to the group of interest rate derivatives. + References No definition available. + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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