Loans Receivable - Schedule of Loans Receivable, Amortized Cost, by Risk Grade, Origination Year and Gross Charge-Offs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Loans Receivable
Year One	$ 608,279	$ 594,178
Year Two	571,989	662,681
Year Three	524,208	902,396
Year Four	768,855	616,222
Year Five	542,977	321,096
After Year Five	1,430,675	1,391,751
Revolving Loans	329,634	307,952
Revolving Loans Converted	6,649	5,847
Loans receivable	4,783,266	4,802,123
Gross Charge-Offs
Year One	0	0
Year Two	87	319
Year Three	305	22
Year Four	468	0
Year Five	0	15
After Year Five	762	2,804
Revolving Loans	326	331
Loans Receivable	1,948	3,491	$ 1,305
Commercial business
Loans Receivable
Year One	479,652	488,339
Year Two	456,515	403,599
Year Three	426,187	609,850
Year Four	589,819	451,707
Year Five	409,950	289,221
After Year Five	1,366,919	1,333,793
Revolving Loans	177,751	174,281
Revolving Loans Converted	3,880	4,232
Loans receivable	3,910,673	3,755,022
Gross Charge-Offs
Year One	0	0
Year Two	77	313
Year Three	285	0
Year Four	429	0
Year Five	0	4
After Year Five	645	2,636
Revolving Loans	0	0
Loans Receivable	1,436	2,953	719
Commercial business | Commercial and industrial
Loans Receivable
Year One	133,929	204,268
Year Two	154,383	132,320
Year Three	110,698	132,572
Year Four	107,076	51,943
Year Five	36,595	56,748
After Year Five	99,730	86,866
Revolving Loans	171,709	173,747
Revolving Loans Converted	3,880	4,208
Loans receivable	818,000	842,672
Gross Charge-Offs
Loans Receivable	1,436	443	719
Commercial business | Owner-occupied CRE
Loans Receivable
Year One	125,339	116,031
Year Two	115,937	96,286
Year Three	90,768	137,711
Year Four	129,824	152,843
Year Five	139,137	82,669
After Year Five	427,782	417,169
Revolving Loans	6,042	534
Revolving Loans Converted	0	0
Loans receivable	1,034,829	1,003,243
Gross Charge-Offs
Loans Receivable	0	2,510	0
Commercial business | Non-owner occupied CRE
Loans Receivable
Year One	220,384	168,040
Year Two	186,195	174,993
Year Three	224,721	339,567
Year Four	352,919	246,921
Year Five	234,218	149,804
After Year Five	839,407	829,758
Revolving Loans	0	0
Revolving Loans Converted	0	24
Loans receivable	2,057,844	1,909,107
Gross Charge-Offs
Loans Receivable	0	0	0
Residential real estate
Loans Receivable
Year One	0	32,857
Year Two	21,697	52,317
Year Three	43,647	135,947
Year Four	126,515	132,936
Year Five	125,670	21,909
After Year Five	41,305	26,988
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	358,834	402,954
Gross Charge-Offs
Year One	0
Year Two	0
Year Three	0
Year Four	27
Year Five	0
After Year Five	0
Revolving Loans	0
Loans Receivable	27	0	0
Real estate construction and land development
Loans Receivable
Year One	127,947	71,100
Year Two	93,559	205,252
Year Three	53,349	155,097
Year Four	51,338	31,240
Year Five	7,109	6,655
After Year Five	8,474	9,843
Revolving Loans	1,549	256
Revolving Loans Converted	0	0
Loans receivable	343,325	479,443
Gross Charge-Offs
Loans Receivable	0	0	0
Real estate construction and land development | Residential
Loans Receivable
Year One	56,428	34,078
Year Two	19,381	35,436
Year Three	9,953	6,415
Year Four	1,289	5,750
Year Five	5,750	1,000
After Year Five	1,000	955
Revolving Loans	1,549	256
Revolving Loans Converted	0	0
Loans receivable	95,350	83,890
Gross Charge-Offs
Loans Receivable	0	0	0
Real estate construction and land development | Commercial and multifamily
Loans Receivable
Year One	71,519	37,022
Year Two	74,178	169,816
Year Three	43,396	148,682
Year Four	50,049	25,490
Year Five	1,359	5,655
After Year Five	7,474	8,888
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	247,975	395,553
Gross Charge-Offs
Loans Receivable	0	0	0
Consumer
Loans Receivable
Year One	680	1,882
Year Two	218	1,513
Year Three	1,025	1,502
Year Four	1,183	339
Year Five	248	3,311
After Year Five	13,977	21,127
Revolving Loans	150,334	133,415
Revolving Loans Converted	2,769	1,615
Loans receivable	170,434	164,704
Gross Charge-Offs
Year One	0	0
Year Two	10	6
Year Three	20	22
Year Four	12	0
Year Five	0	11
After Year Five	117	168
Revolving Loans	326	331
Loans Receivable	485	538	$ 586
Pass
Loans Receivable
Year One	607,072	594,017
Year Two	564,945	654,245
Year Three	493,614	891,495
Year Four	753,327	579,953
Year Five	522,374	310,185
After Year Five	1,342,455	1,309,844
Revolving Loans	306,327	282,006
Revolving Loans Converted	5,207	1,335
Loans receivable	4,595,321	4,623,080
Pass | Commercial business
Loans Receivable
Year One	478,445	488,178
Year Two	449,471	396,163
Year Three	397,173	600,699
Year Four	576,008	437,599
Year Five	396,255	284,080
After Year Five	1,285,493	1,258,531
Revolving Loans	154,944	148,395
Revolving Loans Converted	2,760	515
Loans receivable	3,740,549	3,614,160
Pass | Commercial business | Commercial and industrial
Loans Receivable
Year One	132,722	204,107
Year Two	147,339	127,603
Year Three	91,315	125,220
Year Four	93,265	51,126
Year Five	35,392	53,115
After Year Five	92,265	78,039
Revolving Loans	148,902	147,861
Revolving Loans Converted	2,760	491
Loans receivable	743,960	787,562
Pass | Commercial business | Owner-occupied CRE
Loans Receivable
Year One	125,339	116,031
Year Two	115,937	93,567
Year Three	83,969	136,496
Year Four	129,824	147,540
Year Five	134,443	81,161
After Year Five	403,824	389,801
Revolving Loans	6,042	534
Revolving Loans Converted	0	0
Loans receivable	999,378	965,130
Pass | Commercial business | Non-owner occupied CRE
Loans Receivable
Year One	220,384	168,040
Year Two	186,195	174,993
Year Three	221,889	338,983
Year Four	352,919	238,933
Year Five	226,420	149,804
After Year Five	789,404	790,691
Revolving Loans	0	0
Revolving Loans Converted	0	24
Loans receivable	1,997,211	1,861,468
Pass | Residential real estate
Loans Receivable
Year One	0	32,857
Year Two	21,697	52,317
Year Three	43,453	135,115
Year Four	125,709	132,150
Year Five	124,512	21,909
After Year Five	41,166	26,838
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	356,537	401,186
Pass | Real estate construction and land development
Loans Receivable
Year One	127,947	71,100
Year Two	93,559	204,252
Year Three	52,386	154,204
Year Four	50,452	9,865
Year Five	1,359	1,000
After Year Five	2,477	3,957
Revolving Loans	1,549	256
Revolving Loans Converted	0	0
Loans receivable	329,729	444,634
Pass | Real estate construction and land development | Residential
Loans Receivable
Year One	56,428	34,078
Year Two	19,381	34,436
Year Three	8,990	6,415
Year Four	1,289	0
Year Five	0	1,000
After Year Five	1,000	955
Revolving Loans	1,549	256
Revolving Loans Converted	0	0
Loans receivable	88,637	77,140
Pass | Real estate construction and land development | Commercial and multifamily
Loans Receivable
Year One	71,519	37,022
Year Two	74,178	169,816
Year Three	43,396	147,789
Year Four	49,163	9,865
Year Five	1,359	0
After Year Five	1,477	3,002
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	241,092	367,494
Pass | Consumer
Loans Receivable
Year One	680	1,882
Year Two	218	1,513
Year Three	602	1,477
Year Four	1,158	339
Year Five	248	3,196
After Year Five	13,319	20,518
Revolving Loans	149,834	133,355
Revolving Loans Converted	2,447	820
Loans receivable	168,506	163,100
SM
Loans Receivable
Year One	0	161
Year Two	4,940	7,201
Year Three	7,730	8,603
Year Four	7,398	12,611
Year Five	13,633	7,643
After Year Five	32,759	58,599
Revolving Loans	4,181	13,555
Revolving Loans Converted	481	2,352
Loans receivable	71,122	110,725
SM | Commercial business
Loans Receivable
Year One	0	161
Year Two	4,940	7,201
Year Three	7,730	7,710
Year Four	6,512	12,611
Year Five	13,633	1,988
After Year Five	32,458	52,713
Revolving Loans	4,181	13,555
Revolving Loans Converted	481	2,352
Loans receivable	69,935	98,291
SM | Commercial business | Commercial and industrial
Loans Receivable
Year One	0	161
Year Two	4,940	4,482
Year Three	1,113	6,495
Year Four	6,512	502
Year Five	1,141	1,117
After Year Five	545	4,490
Revolving Loans	4,181	13,555
Revolving Loans Converted	481	2,352
Loans receivable	18,913	33,154
SM | Commercial business | Owner-occupied CRE
Loans Receivable
Year One	0	0
Year Two	0	2,719
Year Three	3,785	1,215
Year Four	0	4,121
Year Five	4,694	871
After Year Five	6,539	15,298
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	15,018	24,224
SM | Commercial business | Non-owner occupied CRE
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	2,832	0
Year Four	0	7,988
Year Five	7,798	0
After Year Five	25,374	32,925
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	36,004	40,913
SM | Real estate construction and land development
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	0	893
Year Four	886	0
Year Five	0	5,655
After Year Five	301	5,886
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	1,187	12,434
SM | Real estate construction and land development | Commercial and multifamily
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	0	893
Year Four	886	0
Year Five	0	5,655
After Year Five	301	5,886
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	1,187	12,434
SS
Loans Receivable
Year One	1,207	0
Year Two	2,104	1,235
Year Three	22,864	2,298
Year Four	8,130	23,658
Year Five	6,970	3,268
After Year Five	55,461	23,308
Revolving Loans	19,126	12,391
Revolving Loans Converted	961	2,160
Loans receivable	116,823	68,318
SS | Commercial business
Loans Receivable
Year One	1,207	0
Year Two	2,104	235
Year Three	21,284	1,441
Year Four	7,299	1,497
Year Five	62	3,153
After Year Five	48,968	22,549
Revolving Loans	18,626	12,331
Revolving Loans Converted	639	1,365
Loans receivable	100,189	42,571
SS | Commercial business | Commercial and industrial
Loans Receivable
Year One	1,207	0
Year Two	2,104	235
Year Three	18,270	857
Year Four	7,299	315
Year Five	62	2,516
After Year Five	6,920	4,337
Revolving Loans	18,626	12,331
Revolving Loans Converted	639	1,365
Loans receivable	55,127	21,956
SS | Commercial business | Owner-occupied CRE
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	3,014	0
Year Four	0	1,182
Year Five	0	637
After Year Five	17,419	12,070
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	20,433	13,889
SS | Commercial business | Non-owner occupied CRE
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	0	584
Year Four	0	0
Year Five	0	0
After Year Five	24,629	6,142
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	24,629	6,726
SS | Residential real estate
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	194	832
Year Four	806	786
Year Five	1,158	0
After Year Five	139	150
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	2,297	1,768
SS | Real estate construction and land development
Loans Receivable
Year One	0	0
Year Two	0	1,000
Year Three	963	0
Year Four	0	21,375
Year Five	5,750	0
After Year Five	5,696	0
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	12,409	22,375
SS | Real estate construction and land development | Residential
Loans Receivable
Year One	0	0
Year Two	0	1,000
Year Three	963	0
Year Four	0	5,750
Year Five	5,750	0
After Year Five	0	0
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	6,713	6,750
SS | Real estate construction and land development | Commercial and multifamily
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	15,625
Year Five	0	0
After Year Five	5,696	0
Revolving Loans	0	0
Revolving Loans Converted	0	0
Loans receivable	5,696	15,625
SS | Consumer
Loans Receivable
Year One	0	0
Year Two	0	0
Year Three	423	25
Year Four	25	0
Year Five	0	115
After Year Five	658	609
Revolving Loans	500	60
Revolving Loans Converted	322	795
Loans receivable	$ 1,928	$ 1,604