Loans - Receivables Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	$ 1,439	$ 1,119
Non- Accrual with an Allowance for Credit Loss	2,251	3,681
Total Non- Accrual	3,690	4,800
90+ and Still Accruing	0	432
Accrued interest excluded from total	13,042	12,500
Financial Asset, Equal to or Greater than 90 Days Past Due
Non performing loans [Abstract]
Accrued interest excluded from total	0	0
Commercial and industrial
Non performing loans [Abstract]
Government guaranteed loans excluded from non-performing loans	19	21
1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Government guaranteed loans excluded from non-performing loans	1,646	2,170
Commercial
Non performing loans [Abstract]
Accrued interest excluded from total	6,150	5,743
Commercial | Commercial and industrial
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	6	7
Total Non- Accrual	6	7
90+ and Still Accruing	0	0
Accrued interest excluded from total	3,199	2,710
Commercial | Commercial real estate
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	0	0
Total Non- Accrual	0	0
90+ and Still Accruing	0	0
Accrued interest excluded from total	2,951	3,033
Mortgage
Non performing loans [Abstract]
Accrued interest excluded from total	5,222	5,097
Mortgage | 1-4 family owner occupied - jumbo
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	544
Non- Accrual with an Allowance for Credit Loss	0	0
Total Non- Accrual	0	544
90+ and Still Accruing	0	0
Accrued interest excluded from total	2,465	2,375
Mortgage | 1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	1,439	575
Non- Accrual with an Allowance for Credit Loss	779	1,655
Total Non- Accrual	2,218	2,230
90+ and Still Accruing	0	432
Accrued interest excluded from total	1,146	1,111
Mortgage | 1-4 family non-owner occupied
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	119	282
Total Non- Accrual	119	282
90+ and Still Accruing	0	0
Accrued interest excluded from total	655	654
Mortgage | 1-4 family - 2nd lien
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	444	624
Total Non- Accrual	444	624
90+ and Still Accruing	0	0
Accrued interest excluded from total	797	804
Mortgage | Resort lending
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	193	143
Total Non- Accrual	193	143
90+ and Still Accruing	0	0
Accrued interest excluded from total	159	153
Installment
Non performing loans [Abstract]
Accrued interest excluded from total	1,670	1,660
Installment | Boat lending
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	187	352
Total Non- Accrual	187	352
90+ and Still Accruing	0	0
Accrued interest excluded from total	727	714
Installment | Recreational vehicle lending
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	387	419
Total Non- Accrual	387	419
90+ and Still Accruing	0	0
Accrued interest excluded from total	651	655
Installment | Other
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	136	199
Total Non- Accrual	136	199
90+ and Still Accruing	0	0
Accrued interest excluded from total	292	291
Non-performing TDR's
Non performing loans [Abstract]
Total Non- Performing Loans	3,690	5,232
Accrued interest excluded from total	0	0
Non-performing TDR's | Commercial | Commercial and industrial
Non performing loans [Abstract]
Total Non- Performing Loans	6	7
Non-performing TDR's | Commercial | Commercial real estate
Non performing loans [Abstract]
Total Non- Performing Loans	0	0
Non-performing TDR's | Mortgage | 1-4 family owner occupied - jumbo
Non performing loans [Abstract]
Total Non- Performing Loans	0	544
Non-performing TDR's | Mortgage | 1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Total Non- Performing Loans	2,218	2,662
Non-performing TDR's | Mortgage | 1-4 family non-owner occupied
Non performing loans [Abstract]
Total Non- Performing Loans	119	282
Non-performing TDR's | Mortgage | 1-4 family - 2nd lien
Non performing loans [Abstract]
Total Non- Performing Loans	444	624
Non-performing TDR's | Mortgage | Resort lending
Non performing loans [Abstract]
Total Non- Performing Loans	193	143
Non-performing TDR's | Installment | Boat lending
Non performing loans [Abstract]
Total Non- Performing Loans	187	352
Non-performing TDR's | Installment | Recreational vehicle lending
Non performing loans [Abstract]
Total Non- Performing Loans	387	419
Non-performing TDR's | Installment | Other
Non performing loans [Abstract]
Total Non- Performing Loans	$ 136	$ 199