Business and Basis of Presentation - Schedule of New Accounting Pronouncements Adopted (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Allowance for credit losses on loans	$ 21,993	$ 21,165	$ 19,241	$ 16,123	$ 15,352
Liabilities
Allowance for credit losses on off-balance sheet commitments		446
Real Estate | Commercial real estate
ASSETS
Allowance for credit losses on loans		7,826
Real Estate | SBA—real estate
ASSETS
Allowance for credit losses on loans		1,369
SBA—non-real estate
ASSETS
Allowance for credit losses on loans	147	65	207	199	278
C&I
ASSETS
Allowance for credit losses on loans	1,215	1,323	1,643	2,848	2,563
Home mortgage
ASSETS
Allowance for credit losses on loans	11,045	10,579	8,826	2,891	2,185
Consumer
ASSETS
Allowance for credit losses on loans	$ 14	3	$ 7	$ 13	$ 19
Pre-ASU 2016-13
ASSETS
Allowance for credit losses on loans		19,241
Liabilities
Allowance for credit losses on off-balance sheet commitments		262
Pre-ASU 2016-13 | Real Estate | Commercial real estate
ASSETS
Allowance for credit losses on loans		6,951
Pre-ASU 2016-13 | Real Estate | SBA—real estate
ASSETS
Allowance for credit losses on loans		1,607
Pre-ASU 2016-13 | SBA—non-real estate
ASSETS
Allowance for credit losses on loans		207
Pre-ASU 2016-13 | C&I
ASSETS
Allowance for credit losses on loans		1,643
Pre-ASU 2016-13 | Home mortgage
ASSETS
Allowance for credit losses on loans		8,826
Pre-ASU 2016-13 | Consumer
ASSETS
Allowance for credit losses on loans		7
Impact
ASSETS
Allowance for credit losses on loans		1,924
Liabilities
Allowance for credit losses on off-balance sheet commitments		184
Impact | Real Estate | Commercial real estate
ASSETS
Allowance for credit losses on loans		875
Impact | Real Estate | SBA—real estate
ASSETS
Allowance for credit losses on loans		(238)
Impact | SBA—non-real estate
ASSETS
Allowance for credit losses on loans		(142)
Impact | C&I
ASSETS
Allowance for credit losses on loans		(320)
Impact | Home mortgage
ASSETS
Allowance for credit losses on loans		1,753
Impact | Consumer
ASSETS
Allowance for credit losses on loans		$ (4)