Loans and Allowance for Credit Losses on Loans - Amortized Cost by Loan Type (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	$ 1,759,525	$ 1,678,292
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable	Accrued interest receivable
Accrued interest receivable	$ 7,100	$ 6,400
Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	1,740,526	1,674,422
Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	3,651	563
Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	15,236	3,031
Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	112	276
Commercial Real Estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	878,824	842,208
Commercial Real Estate | Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	873,694	841,645
Commercial Real Estate | Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	563
Commercial Real Estate | Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	5,130	0
Commercial Real Estate | Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
SBA—real estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	225,579	221,340
SBA—real estate | Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	215,329	220,348
SBA—real estate | Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	3,651	0
SBA—real estate | Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	6,599	992
SBA—real estate | Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
SBA—non-real estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	14,575	13,377
SBA—non-real estate | Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	13,446	12,897
SBA—non-real estate | Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
SBA—non-real estate | Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	1,017	480
SBA—non-real estate | Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	112	0
C&I
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	124,632	116,951
C&I | Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	124,632	116,396
C&I | Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
C&I | Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	279
C&I | Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	276
Home mortgage
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	515,789	482,949
Home mortgage | Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	513,299	481,669
Home mortgage | Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
Home mortgage | Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	2,490	1,280
Home mortgage | Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
Consumer
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	126	1,467
Consumer | Pass
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	126	1,467
Consumer | Special mention
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
Consumer | Substandard
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	0	0
Consumer | Doubtful
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total	$ 0	$ 0