Loans - Loans Serving as Collateral (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	$ 3,109,369	$ 2,920,684
Asset Pledged as Collateral without Right | Federal Home Loan Bank Advances
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	462,707	383,855
Commercial real estate
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	1,886,365	1,680,792
Commercial real estate | Asset Pledged as Collateral without Right | Federal Home Loan Bank Advances
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	117,832	143,056
Residential mortgages
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	321,663	256,940
Residential mortgages | Asset Pledged as Collateral without Right | Federal Home Loan Bank Advances
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	303,189	235,744
Home equity
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	80,882	80,467
Home equity | Asset Pledged as Collateral without Right | Federal Home Loan Bank Advances
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total loans	$ 41,686	$ 5,055