Loans, Amortized Cost of Collateral-dependent Loans by Class (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Collateral-dependent Loans by Class [Abstract]
Total loans		$ 3,004,065	$ 2,905,045
Allowance for credit losses		45,627	47,252	$ 46,755	$ 35,429
Accrued interest excluded from total		6,677	6,836
Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		494	635
Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		1,789	2,795
Accrued interest excluded from total		0	0
Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		466	516
Accrued interest excluded from total		0	1
Commercial [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		1,257,601	1,203,581
Allowance for credit losses		10,744	11,519	9,530	7,401
Accrued interest excluded from total		2,499	2,538
Commercial [Member] | Commercial and Industrial [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		637,488	593,112
Accrued interest excluded from total		1,355	1,373
Commercial [Member] | Commercial and Industrial [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		47	51
Commercial [Member] | Commercial and Industrial [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		74	80
Commercial [Member] | Commercial and Industrial [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		223	245
Commercial [Member] | Commercial Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		620,113	610,469
Accrued interest excluded from total		1,144	1,165
Commercial [Member] | Commercial Real Estate [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		18	19
Commercial [Member] | Commercial Real Estate [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		77	84
Commercial [Member] | Commercial Real Estate [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Mortgage [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	1,170,059	1,139,659
Allowance for credit losses		19,208	19,221	18,448	6,998
Accrued interest excluded from total	[1]	2,867	2,998
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	580,670	541,023
Accrued interest excluded from total	[1]	1,309	1,290
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		0	0
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	607
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	280,913	266,410
Accrued interest excluded from total	[1]	729	798
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		201	286
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		848	940
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	175,343	194,852
Accrued interest excluded from total	[1]	463	513
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		53	72
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		422	477
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	87,119	88,729
Accrued interest excluded from total	[1]	262	283
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		75	67
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		212	370
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Mortgage [Member] | Resort Lending [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	46,014	48,645
Accrued interest excluded from total	[1]	104	114
Mortgage [Member] | Resort Lending [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		14	42
Mortgage [Member] | Resort Lending [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		156	237
Mortgage [Member] | Resort Lending [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Installment [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	576,405	561,805
Allowance for credit losses		3,604	3,749	$ 3,979	$ 1,112
Accrued interest excluded from total	[1]	1,311	1,300
Installment [Member] | Boat Lending [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	232,199	228,140
Accrued interest excluded from total	[1]	536	537
Installment [Member] | Boat Lending [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		28	29
Installment [Member] | Boat Lending [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Installment [Member] | Boat Lending [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		80	80
Installment [Member] | Recreational Vehicle Lending [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	242,875	234,745
Accrued interest excluded from total	[1]	565	546
Installment [Member] | Recreational Vehicle Lending [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		12	44
Installment [Member] | Recreational Vehicle Lending [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Installment [Member] | Recreational Vehicle Lending [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		34	121
Installment [Member] | Other [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[1]	101,331	98,920
Accrued interest excluded from total	[1]	210	217
Installment [Member] | Other [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		46	25
Installment [Member] | Other [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0	0
Installment [Member] | Other [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		$ 129	$ 70

[1] Credit scores have been updated within the last twelve months.