Allowance for Credit Losses and Reserve for Unfunded Loan Commitments - Activity in the Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 25,854	$ 25,196
Charge-offs	(1,791)	(2,636)
Recoveries	318	615
Net charge-offs	(1,473)	(2,021)
Provision for (credit to) credit losses charged to expense	2,407	1,832
Balance, end of period	26,788	25,854
Cumulative effect, period of adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	847
Balance, end of period		847
SBA loans held for investment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	1,221	875
Charge-offs	(370)	(213)
Recoveries	47	20
Net charge-offs	(323)	(193)
Provision for (credit to) credit losses charged to expense	637	376
Balance, end of period	1,535	1,221
SBA loans held for investment | Cumulative effect, period of adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	163
Balance, end of period		163
Commercial loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	15,876	15,254
Charge-offs	(633)	(752)
Recoveries	204	400
Net charge-offs	(429)	(352)
Provision for (credit to) credit losses charged to expense	1,914	803
Balance, end of period	17,361	15,876
Commercial loans | Cumulative effect, period of adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	171
Balance, end of period		171
Residential mortgage loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	6,529	5,450
Charge-offs	(150)	(93)
Recoveries	0	0
Net charge-offs	(150)	(93)
Provision for (credit to) credit losses charged to expense	(125)	796
Balance, end of period	6,254	6,529
Residential mortgage loans | Cumulative effect, period of adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	376
Balance, end of period		376
Consumer loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	1,022	990
Charge-offs	(361)	(578)
Recoveries	67	84
Net charge-offs	(294)	(494)
Provision for (credit to) credit losses charged to expense	47	425
Balance, end of period	775	1,022
Consumer loans | Cumulative effect, period of adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	101
Balance, end of period		101
Residential construction loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	1,206	2,627
Charge-offs	(277)	(1,000)
Recoveries		111
Net charge-offs	(277)	(889)
Provision for (credit to) credit losses charged to expense		(568)
(Credit to) loan losses charged to expense	(66)
Balance, end of period	863	1,206
Residential construction loans | Cumulative effect, period of adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 36
Balance, end of period		$ 36