Loans - Receivables Past Due (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	$ 1,707	$ 1,339
Non- Accrual with an Allowance for Credit Loss	2,287	2,382
Total Non- Accrual	3,994	3,721
90+ and Still Accruing	0	0
Accrued interest excluded from total	11,195	10,009
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	25	29
1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Government guaranteed loans excluded from non-performing loans	2,857	1,631
Commercial
Non performing loans [Abstract]
Accrued interest excluded from total	5,123	4,409
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	8	9
Total Non- Accrual	8	9
90+ and Still Accruing	0	0
Accrued interest excluded from total	2,476	2,046
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	2,647	2,363
Mortgage
Non performing loans [Abstract]
Accrued interest excluded from total	4,520	4,116
Mortgage | 1-4 family owner occupied - jumbo
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	2,093	1,892
Mortgage | 1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	1,707	1,077
Non- Accrual with an Allowance for Credit Loss	652	852
Total Non- Accrual	2,359	1,929
90+ and Still Accruing	0	0
Accrued interest excluded from total	962	953
Mortgage | 1-4 family non-owner occupied
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	152
Non- Accrual with an Allowance for Credit Loss	511	323
Total Non- Accrual	511	475
90+ and Still Accruing	0	0
Accrued interest excluded from total	608	558
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	322	562
Total Non- Accrual	322	562
90+ and Still Accruing	0	0
Accrued interest excluded from total	717	588
Mortgage | Resort lending
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	110
Non- Accrual with an Allowance for Credit Loss	100	38
Total Non- Accrual	100	148
90+ and Still Accruing	0	0
Accrued interest excluded from total	140	125
Installment
Non performing loans [Abstract]
Accrued interest excluded from total	1,552	1,484
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	287	380
Total Non- Accrual	287	380
90+ and Still Accruing	0	0
Accrued interest excluded from total	660	601
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	234	30
Total Non- Accrual	234	30
90+ and Still Accruing	0	0
Accrued interest excluded from total	634	648
Installment | Other
Non performing loans [Abstract]
Non- Accrual with no Allowance for Credit Loss	0	0
Non- Accrual with an Allowance for Credit Loss	173	188
Total Non- Accrual	173	188
90+ and Still Accruing	0	0
Accrued interest excluded from total	258	235
Non-performing TDR's
Non performing loans [Abstract]
Total Non- Performing Loans	3,994	3,721
Accrued interest excluded from total	0	0
Non-performing TDR's | Commercial | Commercial and industrial
Non performing loans [Abstract]
Total Non- Performing Loans	8	9
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	0
Non-performing TDR's | Mortgage | 1-4 family owner occupied - non-jumbo
Non performing loans [Abstract]
Total Non- Performing Loans	2,359	1,929
Non-performing TDR's | Mortgage | 1-4 family non-owner occupied
Non performing loans [Abstract]
Total Non- Performing Loans	511	475
Non-performing TDR's | Mortgage | 1-4 family - 2nd lien
Non performing loans [Abstract]
Total Non- Performing Loans	322	562
Non-performing TDR's | Mortgage | Resort lending
Non performing loans [Abstract]
Total Non- Performing Loans	100	148
Non-performing TDR's | Installment | Boat lending
Non performing loans [Abstract]
Total Non- Performing Loans	287	380
Non-performing TDR's | Installment | Recreational vehicle lending
Non performing loans [Abstract]
Total Non- Performing Loans	234	30
Non-performing TDR's | Installment | Other
Non performing loans [Abstract]
Total Non- Performing Loans	$ 173	$ 188