Loans and Allowance for Credit Losses on Loans - Aging of Past Due Loans by Class of Loans (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Aging of Past Due Loans by Class of Loans
Total loan balance	$ 3,350,873,000	$ 3,299,067,000
30-59 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	12,726,000	11,690,000
60-89 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	2,540,000	3,337,000
90 Days or Greater Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	5,891,000	2,039,000
Past due
Aging of Past Due Loans by Class of Loans
Total loan balance	21,157,000	17,066,000
Current
Aging of Past Due Loans by Class of Loans
Total loan balance	3,329,716,000	3,282,001,000
Commercial. | Commercial
Aging of Past Due Loans by Class of Loans
Total loan balance	463,778,000	533,915,000
Commercial. | Commercial | 30-59 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	6,688,000	7,236,000
Commercial. | Commercial | 60-89 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	2,030,000	2,519,000
Commercial. | Commercial | 90 Days or Greater Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	1,264,000	703,000
Commercial. | Commercial | Past due
Aging of Past Due Loans by Class of Loans
Total loan balance	9,982,000	10,458,000
Commercial. | Commercial | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	453,796,000	523,457,000
Real estate | CRE - Owner Occupied
Aging of Past Due Loans by Class of Loans
Total loan balance	583,253,000	614,663,000
Real estate | CRE - Owner Occupied | 30-59 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance		252,000
Real estate | CRE - Owner Occupied | Past due
Aging of Past Due Loans by Class of Loans
Total loan balance		252,000
Real estate | CRE - Owner Occupied | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	583,253,000	614,411,000
Real estate | CRE - Non-Owner Occupied
Aging of Past Due Loans by Class of Loans
Total loan balance	1,256,590,000	1,066,368,000
Real estate | CRE - Non-Owner Occupied | 30-59 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	1,289,000
Real estate | CRE - Non-Owner Occupied | 90 Days or Greater Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance		1,336,000
Real estate | CRE - Non-Owner Occupied | Past due
Aging of Past Due Loans by Class of Loans
Total loan balance	1,289,000	1,336,000
Real estate | CRE - Non-Owner Occupied | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	1,255,301,000	1,065,032,000
Real estate | Land & Construction
Aging of Past Due Loans by Class of Loans
Total loan balance	140,513,000	163,577,000
Real estate | Land & Construction | 30-59 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	955,000
Real estate | Land & Construction | 90 Days or Greater Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	3,706,000
Real estate | Land & Construction | Past due
Aging of Past Due Loans by Class of Loans
Total loan balance	4,661,000
Real estate | Land & Construction | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	135,852,000	163,577,000
Real estate | Home Equity
Aging of Past Due Loans by Class of Loans
Total loan balance	119,125,000	120,724,000
Real estate | Home Equity | 60-89 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance		98,000
Real estate | Home Equity | 90 Days or Greater Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	142,000
Real estate | Home Equity | Past due
Aging of Past Due Loans by Class of Loans
Total loan balance	142,000	98,000
Real estate | Home Equity | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	118,983,000	120,626,000
Real estate | Multi-Family
Aging of Past Due Loans by Class of Loans
Total loan balance	269,734,000	244,882,000
Real estate | Multi-Family | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	269,734,000	244,882,000
Real estate | Residential Mortgage
Aging of Past Due Loans by Class of Loans
Total loan balance	496,961,000	537,905,000
Real estate | Residential Mortgage | 30-59 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	3,794,000	4,202,000
Real estate | Residential Mortgage | 60-89 Days Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	510,000	720,000
Real estate | Residential Mortgage | 90 Days or Greater Past Due
Aging of Past Due Loans by Class of Loans
Total loan balance	779,000
Real estate | Residential Mortgage | Past due
Aging of Past Due Loans by Class of Loans
Total loan balance	5,083,000	4,922,000
Real estate | Residential Mortgage | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	491,878,000	532,983,000
Consumer | Consumer and Other
Aging of Past Due Loans by Class of Loans
Total loan balance	20,919,000	17,033,000
Consumer | Consumer and Other | Current
Aging of Past Due Loans by Class of Loans
Total loan balance	$ 20,919,000	$ 17,033,000