Loans and Allowance for Credit Losses - Allowance for loan losses by segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	$ 53,766	$ 51,347	$ 52,277	$ 50,494	$ 50,494
Provision for (Recovery of) Credit Losses for Loans and Leases	2,000	600	3,500	1,450
Loans and Leases Charged-off	(6)	(10)	(18)	(12)
Recoveries of Loans and Leases	5	12	6	17
Total Ending Allowance Balance	55,765	51,949	55,765	51,949	52,277
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	3,530		3,530		144
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	52,235		52,235		52,133
Loans and Leases Receivable, Allowance, Total	55,765	51,949	55,765	51,949	52,277
Loans, Individually Evaluated for Credit Loss	47,788		47,788		24,699
Loans, Collectively Evaluated for Credit Loss	4,098,011		4,098,011		3,843,815
Totals	4,145,799		4,145,799		3,868,514
Commercial
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	5,847	5,607	5,630	5,398	5,398
Provision for (Recovery of) Credit Losses for Loans and Leases	87	409	304	615
Recoveries of Loans and Leases	1	2	1	5
Total Ending Allowance Balance	5,935	6,018	5,935	6,018	5,630
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	339		339		133
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	5,596		5,596		5,497
Loans and Leases Receivable, Allowance, Total	5,935	6,018	5,935	6,018	5,630
Loans, Individually Evaluated for Credit Loss	14,152		14,152		14,045
Loans, Collectively Evaluated for Credit Loss	535,107		535,107		483,617
Totals	549,259		549,259		497,662
Leases
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	365		368
Provision for (Recovery of) Credit Losses for Loans and Leases	16		13
Total Ending Allowance Balance	381		381		368
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	6		6		6
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	375		375		362
Loans and Leases Receivable, Allowance, Total	381		381		368
Loans, Individually Evaluated for Credit Loss	34		34		34
Loans, Collectively Evaluated for Credit Loss	44,783		44,783		44,257
Totals	44,817		44,817		44,291
Construction and Land Development
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	1,075	1,828	866	2,156	2,156
Provision for (Recovery of) Credit Losses for Loans and Leases	29	(608)	238	(936)
Total Ending Allowance Balance	1,104	1,220	1,104	1,220	866
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	1,104		1,104		866
Loans and Leases Receivable, Allowance, Total	1,104	1,220	1,104	1,220	866
Loans, Individually Evaluated for Credit Loss	46		46		58
Loans, Collectively Evaluated for Credit Loss	136,392		136,392		97,197
Totals	136,438		136,438		97,255
1-4 Family Construction
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	292	577	331	558	558
Provision for (Recovery of) Credit Losses for Loans and Leases	(14)	(55)	(53)	(36)
Total Ending Allowance Balance	278	522	278	522	331
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	278		278		331
Loans and Leases Receivable, Allowance, Total	278	522	278	522	331
Loans, Collectively Evaluated for Credit Loss	39,095		39,095		41,961
Totals	39,095		39,095		41,961
Real Estate Mortgage
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	46,052	43,224	44,940	42,277	42,277
Provision for (Recovery of) Credit Losses for Loans and Leases	1,862	867	2,974	1,813
Recoveries of Loans and Leases		2		3
Total Ending Allowance Balance	47,914	44,093	47,914	44,093	44,940
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	3,185		3,185
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	44,729		44,729		44,940
Loans and Leases Receivable, Allowance, Total	47,914	44,093	47,914	44,093	44,940
Loans, Individually Evaluated for Credit Loss	33,556		33,556		10,544
Loans, Collectively Evaluated for Credit Loss	3,326,288		3,326,288		3,163,805
Totals	3,359,844		3,359,844		3,174,349
1-4 Family Mortgage
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	2,585	2,754	2,795	2,651	2,651
Provision for (Recovery of) Credit Losses for Loans and Leases	(172)	18	(382)	120
Recoveries of Loans and Leases		2		3
Total Ending Allowance Balance	2,413	2,774	2,413	2,774	2,795
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	2,413		2,413		2,795
Loans and Leases Receivable, Allowance, Total	2,413	2,774	2,413	2,774	2,795
Loans, Individually Evaluated for Credit Loss	1,341		1,341		708
Loans, Collectively Evaluated for Credit Loss	472,928		472,928		473,675
Totals	474,269		474,269		474,383
Multifamily
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	23,927	22,230	23,120	22,217	22,217
Provision for (Recovery of) Credit Losses for Loans and Leases	(6)	250	801	263
Total Ending Allowance Balance	23,921	22,480	23,921	22,480	23,120
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	296		296
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	23,625		23,625		23,120
Loans and Leases Receivable, Allowance, Total	23,921	22,480	23,921	22,480	23,120
Loans, Individually Evaluated for Credit Loss	11,659		11,659
Loans, Collectively Evaluated for Credit Loss	1,544,072		1,544,072		1,425,610
Totals	1,555,731		1,555,731		1,425,610
CRE Owner Occupied
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	1,226	1,235	1,290	1,184	1,184
Provision for (Recovery of) Credit Losses for Loans and Leases	(89)	23	(153)	74
Total Ending Allowance Balance	1,137	1,258	1,137	1,258	1,290
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	1,137		1,137		1,290
Loans and Leases Receivable, Allowance, Total	1,137	1,258	1,137	1,258	1,290
Loans, Individually Evaluated for Credit Loss	3,292		3,292		1,558
Loans, Collectively Evaluated for Credit Loss	189,545		189,545		189,690
Totals	192,837		192,837		191,248
CRE Non-owner Occupied
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	18,314	17,005	17,735	16,225	16,225
Provision for (Recovery of) Credit Losses for Loans and Leases	2,129	576	2,708	1,356
Total Ending Allowance Balance	20,443	17,581	20,443	17,581	17,735
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	2,889		2,889
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	17,554		17,554		17,735
Loans and Leases Receivable, Allowance, Total	20,443	17,581	20,443	17,581	17,735
Loans, Individually Evaluated for Credit Loss	17,264		17,264		8,278
Loans, Collectively Evaluated for Credit Loss	1,119,743		1,119,743		1,074,830
Totals	1,137,007		1,137,007		1,083,108
Consumer and other
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	135	111	142	105	105
Provision for (Recovery of) Credit Losses for Loans and Leases	20	(13)	24	(6)
Loans and Leases Charged-off	(6)	(10)	(18)	(12)
Recoveries of Loans and Leases	4	8	5	9
Total Ending Allowance Balance	153	96	153	96	142
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss					5
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	153		153		137
Loans and Leases Receivable, Allowance, Total	153	$ 96	153	$ 96	142
Loans, Individually Evaluated for Credit Loss					18
Loans, Collectively Evaluated for Credit Loss	16,346		16,346		12,978
Totals	$ 16,346		$ 16,346		$ 12,996

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Amount of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis.

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