Loans, Receivables Past Due (Details) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Non performing loans [Abstract]
Accrued interest included in recorded investment		$ 8,994	$ 8,347
Loans Past Due, 90+ days [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment		0	0
Commercial and Industrial [Member]
Non performing loans [Abstract]
Government guaranteed loans excluded from non-performing loans		52	77
1-4 Family Owner Occupied - Non-jumbo [Member]
Non performing loans [Abstract]
Government guaranteed loans excluded from non-performing loans		458	569
Commercial [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment		3,422	2,998
Mortgage [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	4,397	4,155
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	1,288	1,139
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	1,891	1,662
Mortgage [Member] | 1-4 Non-owner Occupied [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	590	586
Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	363	502
Mortgage [Member] | Resort Lending [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	265	266
Installment [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	1,175	1,194
Installment [Member] | Boat Lending [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	471	490
Installment [Member] | Recreational Vehicle Lending [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	381	378
Installment [Member] | Other [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[1]	323	326
Non-Performing Loans [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	266	0
Non-Accrual	[2]	9,971	9,532
Total Non-performing Loans	[2]	10,237	9,532
Accrued interest included in recorded investment	[2]	0	0
Non-Performing Loans [Member] | Loans Past Due, 90+ days [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment	[2]	0	0
Non-Performing Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2],[3]	266	0
Non-Accrual	[2],[3]	1,615	565
Total Non-performing Loans	[2],[3]	1,881	565
Non-Performing Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	554	735
Total Non-performing Loans	[2]	554	735
Non-Performing Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	1,207	1,179
Total Non-performing Loans	[2]	1,207	1,179
Non-Performing Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2],[4]	0	0
Non-Accrual	[2],[4]	2,364	3,540
Total Non-performing Loans	[2],[4]	2,364	3,540
Non-Performing Loans [Member] | Mortgage [Member] | 1-4 Non-owner Occupied [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	1,304	1,039
Total Non-performing Loans	[2]	1,304	1,039
Non-Performing Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	1,548	979
Total Non-performing Loans	[2]	1,548	979
Non-Performing Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	699	690
Total Non-performing Loans	[2]	699	690
Non-Performing Loans [Member] | Installment [Member] | Boat Lending [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	206	332
Total Non-performing Loans	[2]	206	332
Non-Performing Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	96	3
Total Non-performing Loans	[2]	96	3
Non-Performing Loans [Member] | Installment [Member] | Other [Member]
Non performing loans [Abstract]
90+ and Still Accruing	[2]	0	0
Non-Accrual	[2]	378	470
Total Non-performing Loans	[2]	$ 378	$ 470

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

[2] Non-performing loans exclude purchase credit impaired loans.

[3] Non-performing commercial and industrial loans exclude $0.052 million and $0.077 million of government guaranteed loans at September 30, 2020 and December 31, 2019, respectively.

[4] Non-performing 1-4 family owner occupied – non jumbo loans exclude $0.458 million and $0.569 million of government guaranteed loans at September 30, 2020 and December 31, 2019, respectively.