Derivative Financial Instruments and Hedging Activities - Weighted Average Remaining Maturity, Lives, and Rates of Interest Rate Swaps (Details) - Interest Rate Swap - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
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Financial Institution Counterparties | Not Designated as Hedging Instrument | ||||
Derivative [Line Items] | ||||
Derivative, Notional Amount | [1] | $ 215,502 | $ 152,280 | |
Remaining Maturity | 10 years 6 months | 9 years 9 months 18 days | ||
Weighted Average Receive Rate | 0.45% | 0.50% | ||
Weighted Average Pay Rate | 2.43% | 2.57% | ||
Financial Institution Counterparties | Cash Flow Hedging | Designated as Hedging Instrument | ||||
Derivative [Line Items] | ||||
Derivative, Notional Amount | [1] | $ 605,000 | $ 670,000 | |
Remaining Maturity | 3 years 4 months 24 days | 3 years 9 months 18 days | ||
Weighted Average Receive Rate | 0.10% | 0.17% | ||
Weighted Average Pay Rate | 1.18% | 1.12% | ||
Customer Counterparties | Not Designated as Hedging Instrument | ||||
Derivative [Line Items] | ||||
Derivative, Notional Amount | [1] | $ 215,502 | $ 152,280 | |
Remaining Maturity | 10 years 6 months | 9 years 9 months 18 days | ||
Weighted Average Receive Rate | 2.43% | 2.57% | ||
Weighted Average Pay Rate | 0.45% | 0.50% | ||
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