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Derivative Instruments and Hedging Activities - Cash Flow Derivatives (Details) - Cash flow hedge - Designated as Hedging Instrument - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Cash Flow Hedging Derivatives |  |  |  |
Amount expected to be reclassified from AOCI into earnings |  | $ 8,000 |  |
Interest Rate Swap |  |  |  |
Cash Flow Hedging Derivatives |  |  |  |
Notional Amount |  | $ 153,000 |  | $ 183,000
Weighted Average Pay Rate |  | 1.94% |  | 2.00%
Weighted Average Receive Rate |  | 5.46% |  | 5.48%
Weighted average maturity |  | 4 years 3 months 7 days |  | 4 years 14 days
Net Unrealized Gain |  | $ 6,229 |  | $ 5,271
Interest Rate Cap |  |  |  |
Cash Flow Hedging Derivatives |  |  |  |
Notional Amount |  | $ 125,000 |  | $ 125,000
Weighted average maturity |  | 5 years 10 months 6 days |  | 6 years 4 months 2 days
Unamortized Premium Paid |  | $ 4,686 |  | $ 5,081
Weighted Average Strike Rate |  | 0.96% |  | 0.96%
Amortization of interest rate cap premiums | $ 198 | $ 200 | $ 395 |

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