Loans - Receivables Past Due (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	$ 3,179	$ 1,119
Non- Accrual with an Allowance for Credit Loss	1,969	3,681
Total Non- Accrual	5,148	4,800
90+ and Still Accruing	0	432
Accrued interest excluded from total	13,336	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	9	21
1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Government guaranteed loans excluded from non-performing loans	2,093	2,170
Commercial
Non performing loans [Abstract]
Accrued interest excluded from total	6,298	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	50	7
Total Non- Accrual	50	7
90+ and Still Accruing	0	0
Accrued interest excluded from total	3,441	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	2,857	3,033
Mortgage
Non performing loans [Abstract]
Accrued interest excluded from total	5,374	5,097
Mortgage | 1-4 family owner occupied - jumbo
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	762	544
Non- Accrual with an Allowance for Credit Loss	0	0
Total Non- Accrual	762	544
90+ and Still Accruing	0	0
Accrued interest excluded from total	2,436	2,375
Mortgage | 1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	2,417	575
Non- Accrual with an Allowance for Credit Loss	394	1,655
Total Non- Accrual	2,811	2,230
90+ and Still Accruing	0	432
Accrued interest excluded from total	1,209	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	197	282
Total Non- Accrual	197	282
90+ and Still Accruing	0	0
Accrued interest excluded from total	658	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	519	624
Total Non- Accrual	519	624
90+ and Still Accruing	0	0
Accrued interest excluded from total	903	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	143	143
Total Non- Accrual	143	143
90+ and Still Accruing	0	0
Accrued interest excluded from total	168	153
Installment
Non performing loans [Abstract]
Accrued interest excluded from total	1,664	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	149	352
Total Non- Accrual	149	352
90+ and Still Accruing	0	0
Accrued interest excluded from total	764	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	400	419
Total Non- Accrual	400	419
90+ and Still Accruing	0	0
Accrued interest excluded from total	611	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	117	199
Total Non- Accrual	117	199
90+ and Still Accruing	0	0
Accrued interest excluded from total	289	291
Non-performing TDR's
Non performing loans [Abstract]
Total Non- Performing Loans	5,148	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	50	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	762	544
Non-performing TDR's | Mortgage | 1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Total Non- Performing Loans	2,811	2,662
Non-performing TDR's | Mortgage | 1-4 family non-owner occupied
Non performing loans [Abstract]
Total Non- Performing Loans	197	282
Non-performing TDR's | Mortgage | 1-4 family - 2nd lien
Non performing loans [Abstract]
Total Non- Performing Loans	519	624
Non-performing TDR's | Mortgage | Resort lending
Non performing loans [Abstract]
Total Non- Performing Loans	143	143
Non-performing TDR's | Installment | Boat lending
Non performing loans [Abstract]
Total Non- Performing Loans	149	352
Non-performing TDR's | Installment | Recreational vehicle lending
Non performing loans [Abstract]
Total Non- Performing Loans	400	419
Non-performing TDR's | Installment | Other
Non performing loans [Abstract]
Total Non- Performing Loans	$ 117	$ 199