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Derivatives and Hedging Activities - Cash Flow Hedges (Details) - USD ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 02, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Oct. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Non-interest income related to changes in the fair value of derivative | $ 45.9 |  |  |
Interest Rate Swap | Cash flow hedges |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Notional amount of derivatives |  |  |  | $ 400.0
Derivative, fixed interest rate |  |  |  | 3.018%
Expected interest income on termination | $ 2.0 |  |  |
Interest Rate Swap Interest Income |  | $ 8.1 | $ 7.7 |

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- Definition Represents the monetary amount of Interest Rate Swap Interest Income, during the indicated time period. + References No definition available. + Details
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- Definition Represents the monetary amount of Noninterest income related to changes in the fair value of derivative, during the indicated time period. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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