Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Interest income	$ 178,378	$ 153,919	$ 131,951
Interest expense	42,769	40,736	28,695
Net Interest Income	135,609	113,183	103,256
Provision for credit losses	3,910	3,293	3,842
Net Interest Income After Provision for Credit Losses	131,699	109,890	99,414
Change in fair value of mortgage servicing rights:
Mortgage banking income	25,237	24,002	12,763
Purchased receivable income	25,806	7,146	4,482
Total Other Operating Income	77,203	42,041	26,375
Salaries and other personnel expense	78,337	67,847	61,741
Data processing expense	13,125	10,986	9,821
Occupancy expense	7,822	7,609	7,394
Professional and outside services	4,681	4,351	3,128
Marketing expense	3,728	3,028	2,929
Insurance expense	3,212	2,961	2,519
Compensation expense - SCF acquisition payments	2,333	0	0
Total Other Operating Expense	124,383	104,937	94,181
Income Before Provision for Income Taxes	84,519	46,994	31,608
Provision for income taxes	19,911	10,023	6,214
Net Income	64,608	36,971	25,394
Total assets	3,290,273	3,041,869	2,807,497
Loans held for sale	100,323	59,957	31,974
Loans	2,295,499	2,129,263
Purchased receivables, net	101,642	74,078	36,842
Goodwill	49,874	50,018	15,017
Residential real estate: | 1-4 family residential properties secured by first liens
Change in fair value of mortgage servicing rights:
Loans	243,185	270,966	203,738
Community Banking
Change in fair value of mortgage servicing rights:
Total Other Operating Expense	82,400	73,085	69,253
Income Before Provision for Income Taxes	64,477	37,703	31,590
Provision for income taxes	14,928	7,359	6,175
Net Income	49,549	30,344	25,415
Total assets	2,724,236	2,547,709	2,496,910
Loans held for sale	0	0	0
Purchased receivables, net	0	0	0
Goodwill	7,525	7,525	7,525
Community Banking | Residential real estate: | 1-4 family residential properties secured by first liens
Change in fair value of mortgage servicing rights:
Loans	0	0	0
Home Mortgage Lending
Change in fair value of mortgage servicing rights:
Total Other Operating Expense	29,773	27,624	23,497
Income Before Provision for Income Taxes	6,569	6,714	(3,436)
Provision for income taxes	1,767	1,934	(943)
Net Income	4,802	4,780	(2,493)
Total assets	390,242	357,630	267,706
Loans held for sale	100,323	59,957	31,974
Purchased receivables, net	0	0	0
Goodwill	7,492	7,492	7,492
Home Mortgage Lending | Residential real estate: | 1-4 family residential properties secured by first liens
Change in fair value of mortgage servicing rights:
Loans	243,185	270,966	203,738
Specialty Finance
Change in fair value of mortgage servicing rights:
Total Other Operating Expense	12,210	4,228	1,431
Income Before Provision for Income Taxes	13,473	2,577	3,454
Provision for income taxes	3,216	730	982
Net Income	10,257	1,847	2,472
Total assets	175,795	136,530	42,881
Loans held for sale	0	0	0
Purchased receivables, net	101,642	74,078	36,842
Goodwill	34,857	35,001	0
Specialty Finance | Residential real estate: | 1-4 family residential properties secured by first liens
Change in fair value of mortgage servicing rights:
Loans	0	0	0
Operating Segments
Segment Reporting Information [Line Items]
Interest income	178,378	153,919	131,951
Interest expense	42,769	40,736	28,695
Net Interest Income	135,609	113,183	103,256
Provision for credit losses	3,910	3,293	3,842
Net Interest Income After Provision for Credit Losses	131,699	109,890	99,414
Net realized gains on mortgage loans sold	16,777	13,994	7,828
Change in fair value of mortgage loan commitments, net	346	172	(102)
Total production revenue	17,123	14,166	7,726
Mortgage servicing revenue	10,822	9,155	7,368
Change in fair value of mortgage servicing rights:
Due to changes in model inputs of assumptions	(1,402)	1,334	(922)
Other	(2,380)	(1,535)	(1,765)
Total mortgage servicing revenue, net	7,040	8,954	4,681
Other mortgage banking revenue	1,074	882	356
Mortgage banking income	25,237	24,002	12,763
Purchased receivable income	25,806	7,146	4,482
Other operating income	26,160	10,893	9,130
Total Other Operating Income	77,203
Salaries and other personnel expense	78,337	67,847	61,741
Data processing expense	13,125	10,986	9,821
Occupancy expense	7,822	7,609	7,394
Professional and outside services	4,681	4,351	3,128
Marketing expense	3,728	3,028	2,929
Insurance expense	3,212	2,961	2,519
Compensation expense - SCF acquisition payments	2,333
Other operating expense	11,145	8,155	6,649
Total Other Operating Expense	127,328	108,560	95,551
Operating Segments | Community Banking
Segment Reporting Information [Line Items]
Interest income	157,060	136,495	121,855
Interest expense	34,427	34,391	26,300
Net Interest Income	122,633	102,104	95,555
Provision for credit losses	2,338	2,276	3,842
Net Interest Income After Provision for Credit Losses	120,295	99,828	91,713
Net realized gains on mortgage loans sold	0	0	0
Change in fair value of mortgage loan commitments, net	0	0	0
Total production revenue	0	0	0
Mortgage servicing revenue	0	0	0
Change in fair value of mortgage servicing rights:
Due to changes in model inputs of assumptions	0	0	0
Other	0	0	0
Total mortgage servicing revenue, net	0	0	0
Other mortgage banking revenue	0	0	0
Mortgage banking income	0	0	0
Purchased receivable income	0	0	0
Other operating income	26,582	10,960	9,130
Total Other Operating Income	26,582	10,960	9,130
Salaries and other personnel expense	49,080	44,864	42,795
Data processing expense	11,395	9,918	9,091
Occupancy expense	5,557	5,534	5,432
Professional and outside services	2,854	2,284	2,305
Marketing expense	3,164	2,518	2,465
Insurance expense	3,120	2,690	2,423
Compensation expense - SCF acquisition payments	0
Other operating expense	7,230	5,277	4,742
Total Other Operating Expense	85,345	76,708	70,623
Operating Segments | Home Mortgage Lending
Segment Reporting Information [Line Items]
Interest income	18,087	16,477	9,693
Interest expense	5,804	5,249	2,395
Net Interest Income	12,283	11,228	7,298
Provision for credit losses	1,178	892	0
Net Interest Income After Provision for Credit Losses	11,105	10,336	7,298
Net realized gains on mortgage loans sold	16,777	13,994	7,828
Change in fair value of mortgage loan commitments, net	346	172	(102)
Total production revenue	17,123	14,166	7,726
Mortgage servicing revenue	10,822	9,155	7,368
Change in fair value of mortgage servicing rights:
Due to changes in model inputs of assumptions	(1,402)	1,334	(922)
Other	(2,380)	(1,535)	(1,765)
Total mortgage servicing revenue, net	7,040	8,954	4,681
Other mortgage banking revenue	1,074	882	356
Mortgage banking income	25,237	24,002	12,763
Purchased receivable income	0	0	0
Other operating income	0	0	0
Total Other Operating Income	25,237	24,002	12,763
Salaries and other personnel expense	22,224	20,968	17,873
Data processing expense	1,112	966	692
Occupancy expense	1,985	1,927	1,839
Professional and outside services	1,032	827	751
Marketing expense	547	499	462
Insurance expense	85	101	96
Compensation expense - SCF acquisition payments	0
Other operating expense	2,788	2,336	1,784
Total Other Operating Expense	29,773	27,624	23,497
Operating Segments | Specialty Finance
Segment Reporting Information [Line Items]
Interest income	3,231	947	403
Interest expense	2,538	1,096	0
Net Interest Income	693	(149)	403
Provision for credit losses	394	125	0
Net Interest Income After Provision for Credit Losses	299	(274)	403
Net realized gains on mortgage loans sold	0	0	0
Change in fair value of mortgage loan commitments, net	0	0	0
Total production revenue	0	0	0
Mortgage servicing revenue	0	0	0
Change in fair value of mortgage servicing rights:
Due to changes in model inputs of assumptions	0	0	0
Other	0	0	0
Total mortgage servicing revenue, net	0	0	0
Other mortgage banking revenue	0	0	0
Mortgage banking income	0	0	0
Purchased receivable income	25,806	7,146	4,482
Other operating income	(422)	(67)	0
Total Other Operating Income	25,384	7,079	4,482
Salaries and other personnel expense	7,033	2,015	1,073
Data processing expense	618	102	38
Occupancy expense	280	148	123
Professional and outside services	795	1,240	72
Marketing expense	17	11	2
Insurance expense	7	170	0
Compensation expense - SCF acquisition payments	2,333
Other operating expense	1,127	542	123
Total Other Operating Expense	12,210	4,228	1,431
Intersegment Eliminations
Change in fair value of mortgage servicing rights:
Mortgage banking income	(2,945)	(3,623)	(1,370)
Total Other Operating Expense	(2,945)	(3,623)	(1,370)
Intersegment Eliminations | Community Banking
Change in fair value of mortgage servicing rights:
Mortgage banking income	0	0	0
Total Other Operating Expense	(2,945)	(3,623)	(1,370)
Intersegment Eliminations | Home Mortgage Lending
Change in fair value of mortgage servicing rights:
Mortgage banking income	(2,945)	(3,623)	(1,370)
Total Other Operating Expense	0	0	0
Intersegment Eliminations | Specialty Finance
Change in fair value of mortgage servicing rights:
Mortgage banking income	0	0	0
Total Other Operating Expense	$ 0	$ 0	$ 0