Loans, Amortized Cost of Collateral-dependent Loans by Class (Details) - USD ($) $ in Thousands		Jun. 30, 2021		Dec. 31, 2019
Collateral-dependent Loans by Class [Abstract]
Total loans		$ 2,814,559
Allowance for credit losses		45,926	[1]	$ 26,148
Accrued interest excluded from total		7,788
Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		884
Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		2,942
Accrued interest excluded from total		1
Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		888
Accrued interest excluded from total		1
Commercial [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		1,244,547
Allowance for credit losses		9,094		7,922
Accrued interest excluded from total		3,171
Commercial [Member] | Commercial and Industrial [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		673,754
Accrued interest excluded from total		2,100
Commercial [Member] | Commercial and Industrial [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		251
Commercial [Member] | Commercial and Industrial [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		104
Commercial [Member] | Commercial and Industrial [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		667
Commercial [Member] | Commercial Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		570,793
Accrued interest excluded from total		1,071
Commercial [Member] | Commercial Real Estate [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		31
Commercial [Member] | Commercial Real Estate [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		136
Commercial [Member] | Commercial Real Estate [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Mortgage [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	1,045,108
Allowance for credit losses		18,933		8,216
Accrued interest excluded from total	[2]	3,347
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	483,289
Accrued interest excluded from total	[2]	1,261
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		0
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		619
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	251,118
Accrued interest excluded from total	[2]	931
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		313
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		982
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	169,182
Accrued interest excluded from total	[2]	557
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		79
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		396
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	87,605
Accrued interest excluded from total	[2]	363
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		93
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		446
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Mortgage [Member] | Resort Lending [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	53,914
Accrued interest excluded from total	[2]	235
Mortgage [Member] | Resort Lending [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		34
Mortgage [Member] | Resort Lending [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		248
Mortgage [Member] | Resort Lending [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Installment [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	524,904
Allowance for credit losses		3,701		$ 1,283
Accrued interest excluded from total	[2]	1,270
Installment [Member] | Boat Lending [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	228,693
Accrued interest excluded from total	[2]	555
Installment [Member] | Boat Lending [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		20
Installment [Member] | Boat Lending [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Installment [Member] | Boat Lending [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		56
Installment [Member] | Recreational Vehicle Lending [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	201,945
Accrued interest excluded from total	[2]	489
Installment [Member] | Recreational Vehicle Lending [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		11
Installment [Member] | Recreational Vehicle Lending [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		0
Installment [Member] | Recreational Vehicle Lending [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		30
Installment [Member] | Other [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans	[2]	94,266
Accrued interest excluded from total	[2]	226
Installment [Member] | Other [Member] | Collateral Dependent Loans [Member]
Collateral-dependent Loans by Class [Abstract]
Allowance for credit losses		52
Installment [Member] | Other [Member] | Real Estate [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		11
Installment [Member] | Other [Member] | Other Loan [Member]
Collateral-dependent Loans by Class [Abstract]
Total loans		$ 135

[1] Beginning January 1, 2021, calculation is based on CECL methodology. Prior to January 1, 2021, calculation was based on the probable incurred loss methodology.

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