Loans - Loans Serving as Collateral (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	$ 4,049,642	$ 3,982,898
Asset pledged as collateral without right \| FHLB
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	872,399	866,335
Commercial real estate \| Asset pledged as collateral without right \| FHLB
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	416,762	423,494
Residential mortgages
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	450,456	443,096
Residential mortgages \| Asset pledged as collateral without right \| FHLB
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	423,329	409,423
Home equity
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	105,779	103,858
Home equity \| Asset pledged as collateral without right \| FHLB
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	$ 32,308	$ 33,418