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Loans - Amortized Cost of Collateral-dependent Loans by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Loans	$ 4,164,367		$ 4,038,825
Allowance for Credit Losses	61,157	$ 60,035	59,379	$ 56,241	$ 56,313	$ 54,658
Accrued interest excluded from total	14,006		13,461
Real Estate
Financing Receivable, Past Due [Line Items]
Loans	23,405		6,539
Accrued interest excluded from total	91		5
Other
Financing Receivable, Past Due [Line Items]
Loans	11,022		5,611
Accrued interest excluded from total	54		34
Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	4,606		2,300
Commercial
Financing Receivable, Past Due [Line Items]
Loans	2,068,081		1,937,364
Allowance for Credit Losses	25,890	24,297	22,872	18,979	18,982	16,724
Accrued interest excluded from total	6,772		6,496
Commercial \| Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	1,101,053		1,001,329
Accrued interest excluded from total	3,559		3,310
Commercial \| Commercial and industrial \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	694		686
Commercial \| Commercial and industrial \| Other
Financing Receivable, Past Due [Line Items]
Loans	10,077		5,166
Commercial \| Commercial and industrial \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	930		1,647
Commercial \| Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	967,028		936,035
Accrued interest excluded from total	3,213		3,186
Commercial \| Commercial real estate \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	16,242		817
Commercial \| Commercial real estate \| Other
Financing Receivable, Past Due [Line Items]
Loans	0		0
Commercial \| Commercial real estate \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	2,817		3
Mortgage
Financing Receivable, Past Due [Line Items]
Loans	1,528,360		1,516,726
Allowance for Credit Losses	20,752	20,036	22,317	20,731	20,903	21,386
Accrued interest excluded from total	5,619		5,357
Mortgage \| 1-4 family owner occupied - jumbo
Financing Receivable, Past Due [Line Items]
Loans	886,296		875,551
Accrued interest excluded from total	2,751		2,520
Mortgage \| 1-4 family owner occupied - jumbo \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	2,140		1,480
Mortgage \| 1-4 family owner occupied - jumbo \| Other
Financing Receivable, Past Due [Line Items]
Loans	0		0
Mortgage \| 1-4 family owner occupied - jumbo \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	0		0
Mortgage \| 1-4 family owner occupied - non-jumbo
Financing Receivable, Past Due [Line Items]
Loans	296,990		299,142
Accrued interest excluded from total	1,155		1,160
Mortgage \| 1-4 family owner occupied - non-jumbo \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	2,431		2,903
Mortgage \| 1-4 family owner occupied - non-jumbo \| Other
Financing Receivable, Past Due [Line Items]
Loans	0		0
Mortgage \| 1-4 family owner occupied - non-jumbo \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	332		347
Mortgage \| 1-4 family non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	169,143		176,950
Accrued interest excluded from total	666		680
Mortgage \| 1-4 family non-owner occupied \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	809		0
Mortgage \| 1-4 family non-owner occupied \| Other
Financing Receivable, Past Due [Line Items]
Loans	0		0
Mortgage \| 1-4 family non-owner occupied \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	34		0
Mortgage \| 1-4 family - 2nd lien
Financing Receivable, Past Due [Line Items]
Loans	147,621		133,947
Accrued interest excluded from total	904		846
Mortgage \| 1-4 family - 2nd lien \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	1,032		510
Mortgage \| 1-4 family - 2nd lien \| Other
Financing Receivable, Past Due [Line Items]
Loans	0		0
Mortgage \| 1-4 family - 2nd lien \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	107		94
Mortgage \| Resort lending
Financing Receivable, Past Due [Line Items]
Loans	28,310		31,136
Accrued interest excluded from total	143		151
Mortgage \| Resort lending \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	57		143
Mortgage \| Resort lending \| Other
Financing Receivable, Past Due [Line Items]
Loans	0		0
Mortgage \| Resort lending \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	20		51
Installment
Financing Receivable, Past Due [Line Items]
Loans	567,926		584,735
Allowance for Credit Losses	3,015	$ 2,887	3,040	$ 3,901	$ 3,836	$ 4,126
Accrued interest excluded from total	1,615		1,608
Installment \| Boat lending
Financing Receivable, Past Due [Line Items]
Loans	271,595		264,341
Accrued interest excluded from total	797		736
Installment \| Boat lending \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	0		0
Installment \| Boat lending \| Other
Financing Receivable, Past Due [Line Items]
Loans	715		87
Installment \| Boat lending \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	284		31
Installment \| Recreational vehicle lending
Financing Receivable, Past Due [Line Items]
Loans	206,045		224,537
Accrued interest excluded from total	546		576
Installment \| Recreational vehicle lending \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	0		0
Installment \| Recreational vehicle lending \| Other
Financing Receivable, Past Due [Line Items]
Loans	194		266
Installment \| Recreational vehicle lending \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	69		94
Installment \| Other
Financing Receivable, Past Due [Line Items]
Loans	90,286		95,857
Accrued interest excluded from total	272		296
Installment \| Other \| Real Estate
Financing Receivable, Past Due [Line Items]
Loans	0		0
Installment \| Other \| Other
Financing Receivable, Past Due [Line Items]
Loans	36		92
Installment \| Other \| Allowance for Credit Losses
Financing Receivable, Past Due [Line Items]
Allowance for Credit Losses	$ 13		$ 33