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Derivative Instruments and Hedging Activities - Cash Flow Derivatives (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Cash Flow Hedging Derivatives          
Amount expected to be reclassified from AOCI into earnings     $ 3,700,000    
Interest Rate Swaps          
Cash Flow Hedging Derivatives          
Notional Amount $ 183,000,000   $ 183,000,000   $ 178,000,000
Weighted Average Pay Rate 2.87%   2.87%   2.20%
Weighted Average Receive Rate 4.30%   4.30%   4.80%
Weighted Average Maturity (Years)     4 years 5 months 1 day   4 years 7 days
Net Unrealized Gain     $ 636,000   $ 5,139,000
Interest Rate Caps          
Cash Flow Hedging Derivatives          
Notional Amount $ 125,000,000   $ 125,000,000   $ 125,000,000
Weighted Average Maturity (Years)     4 years 7 months 2 days   5 years 4 months 2 days
Unamortized Premium Paid $ 3,688,000   $ 3,688,000   $ 4,281,000
Weighted Average Strike Rate 0.96%   0.96%   0.96%
Amortization of interest rate cap premiums $ 200,000 $ 204,000 $ 593,000 $ 600,000