Loans - Risk by Loan Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Total Loans	$ 2,345,130		$ 2,260,657
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Total loans	532	$ 445
SBA loans held for investment
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	38		2,167
One Year Prior to Current Year	2,499		2,349
Two Years Prior to Current Year	2,395		7,901
Three Years Prior to Current Year	7,271		7,433
Four Years Prior to Current Year	7,318		6,194
Five Years Prior to Current Year and Earlier	17,165		10,815
Total Loans	36,686		36,859
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Two Years Prior to Current Year			300
Three Years Prior to Current Year	350		70
Total loans	350		370
SBA PPP loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Three Years Prior to Current Year			1,450
Four Years Prior to Current Year	1,307
Total Loans	1,307		1,450
Commercial loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	82,835		189,371
One Year Prior to Current Year	205,300		167,190
Two Years Prior to Current Year	161,764		337,618
Three Years Prior to Current Year	342,957		163,247
Four Years Prior to Current Year	155,346		124,412
Five Years Prior to Current Year and Earlier	444,932		335,396
Revolving Loans Amortized Cost Basis	93,720		94,395
Total Loans	1,486,854		1,411,629
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Two Years Prior to Current Year			38
Three Years Prior to Current Year			138
Four Years Prior to Current Year	1		200
Five Years Prior to Current Year and Earlier	1		107
Revolving Loans Amortized Cost Basis			150
Total loans	2	98	633
Residential mortgage loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	44,962		93,825
One Year Prior to Current Year	83,266		74,089
Two Years Prior to Current Year	76,336		225,783
Three Years Prior to Current Year	222,499		67,430
Four Years Prior to Current Year	64,069		44,366
Five Years Prior to Current Year and Earlier	163,118		125,434
Total Loans	654,250		630,927
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Three Years Prior to Current Year			150
Four Years Prior to Current Year	130
Total loans	130		150
Consumer loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	5,053		5,898
One Year Prior to Current Year	5,241		2,602
Two Years Prior to Current Year	1,576		3,275
Three Years Prior to Current Year	3,000		1,515
Four Years Prior to Current Year	1,226		667
Five Years Prior to Current Year and Earlier	8,931		10,409
Revolving Loans Amortized Cost Basis	53,593		52,345
Total Loans	78,620		76,711
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Two Years Prior to Current Year			63
Three Years Prior to Current Year			100
Four Years Prior to Current Year	50
Five Years Prior to Current Year and Earlier			198
Total loans	50	70	361
Residential construction loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	7,051		36,522
One Year Prior to Current Year	35,553		16,889
Two Years Prior to Current Year	11,238		26,683
Three Years Prior to Current Year	13,980		7,766
Four Years Prior to Current Year	2,260		1,701
Five Years Prior to Current Year and Earlier	3,331		1,357
Total Loans	73,413		90,918
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Five Years Prior to Current Year and Earlier			277
Total loans		$ 277	277
Total loans held for investment including PPP
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	139,939		327,783
One Year Prior to Current Year	331,859		263,119
Two Years Prior to Current Year	253,309		601,260
Three Years Prior to Current Year	589,707		248,841
Four Years Prior to Current Year	231,526		177,340
Five Years Prior to Current Year and Earlier	637,477		483,411
Revolving Loans Amortized Cost Basis	147,313		146,740
Total Loans	2,331,130		2,248,494
Performing | Residential mortgage loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	44,962		93,825
One Year Prior to Current Year	83,266		73,862
Two Years Prior to Current Year	75,177		224,295
Three Years Prior to Current Year	220,214		65,192
Four Years Prior to Current Year	63,751		44,366
Five Years Prior to Current Year and Earlier	158,258		122,916
Total Loans	645,628		624,456
Performing | Consumer loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	5,053		5,898
One Year Prior to Current Year	5,241		2,602
Two Years Prior to Current Year	1,576		3,275
Three Years Prior to Current Year	3,000		1,515
Four Years Prior to Current Year	1,226		667
Five Years Prior to Current Year and Earlier	8,931		10,409
Revolving Loans Amortized Cost Basis	53,593		52,345
Total Loans	78,620		76,711
Nonperforming | Residential mortgage loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
One Year Prior to Current Year			227
Two Years Prior to Current Year	1,159		1,488
Three Years Prior to Current Year	2,285		2,238
Four Years Prior to Current Year	318
Five Years Prior to Current Year and Earlier	4,860		2,518
Total Loans	8,622		6,471
Pass | SBA loans held for investment
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	38		2,167
One Year Prior to Current Year	2,499		1,580
Two Years Prior to Current Year	1,295		5,205
Three Years Prior to Current Year	5,108		4,961
Four Years Prior to Current Year	4,846		5,570
Five Years Prior to Current Year and Earlier	15,736		10,085
Total Loans	29,522		29,568
Pass | SBA PPP loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Three Years Prior to Current Year			1,450
Four Years Prior to Current Year	1,307
Total Loans	1,307		1,450
Pass | Commercial loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	82,835		189,371
One Year Prior to Current Year	205,300		167,190
Two Years Prior to Current Year	161,764		331,349
Three Years Prior to Current Year	335,689		161,508
Four Years Prior to Current Year	153,268		123,225
Five Years Prior to Current Year and Earlier	435,403		330,131
Revolving Loans Amortized Cost Basis	93,704		94,369
Total Loans	1,467,963		1,397,143
Pass | Residential construction loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Year	7,051		36,522
One Year Prior to Current Year	35,553		16,889
Two Years Prior to Current Year	11,238		26,683
Three Years Prior to Current Year	13,980		7,766
Four Years Prior to Current Year	2,260		1,154
Five Years Prior to Current Year and Earlier	3,160		1,357
Total Loans	73,242		90,371
Special mention | SBA loans held for investment
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
One Year Prior to Current Year			769
Two Years Prior to Current Year	826		1,740
Three Years Prior to Current Year	1,606		356
Four Years Prior to Current Year	356		508
Five Years Prior to Current Year and Earlier	1,046		729
Total Loans	3,834		4,103
Special mention | Commercial loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Two Years Prior to Current Year			6,269
Three Years Prior to Current Year	7,268		1,737
Four Years Prior to Current Year	914
Five Years Prior to Current Year and Earlier	3,033		3,108
Revolving Loans Amortized Cost Basis	16		17
Total Loans	11,231		11,131
Substandard | SBA loans held for investment
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Two Years Prior to Current Year	274		956
Three Years Prior to Current Year	557		2,116
Four Years Prior to Current Year	2,116		116
Five Years Prior to Current Year and Earlier	383		1
Total Loans	3,330		3,189
Substandard | Commercial loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Three Years Prior to Current Year			2
Four Years Prior to Current Year	1,164		1,187
Five Years Prior to Current Year and Earlier	6,496		2,157
Revolving Loans Amortized Cost Basis			9
Total Loans	7,660		3,355
Substandard | Residential construction loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Four Years Prior to Current Year			547
Five Years Prior to Current Year and Earlier	171
Total Loans	$ 171		$ 547