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Derivative Instruments and Hedge Activities - Summary of Other Interest Rate Derivatives (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021
Derivative [Line Items] |  |  |
Notional Amount | $ 945,414 | $ 847,447 |
Gross amounts recognized | 29,113 | 13,375 |
Derivative liabilities fair value | (7,475) | $ (9,665) |
Other Interest Rate Derivatives |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 488,064 |  |
Gross amounts recognized | $ 7,331 |  |
Derivative liabilities fair value |  |  | $ (7,474)
Weighted average pay rates | 4.13% |  |
Weighted average receive rates | 4.33% |  |
Weighted average maturity | 5 years 10 months 24 days |  |

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