Loans, Aging Analysis of Loans by Class (Details) - USD ($) $ in Thousands		Jun. 30, 2021	Dec. 31, 2020
Aging analysis of loans by class [Abstract]
Total loans		$ 2,814,559
Total recorded investment	[1]		$ 2,742,577
Accrued interest excluded from total		7,788
Accrued interest included in recorded investment	[1]		8,899
Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		6,633	17,271
Accrued interest excluded from total		53
Accrued interest included in recorded investment			169
Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		3,321	12,817
Accrued interest excluded from total		37
Accrued interest included in recorded investment			147
Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		740	1,446
Accrued interest excluded from total		16
Accrued interest included in recorded investment			22
Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		2,572	3,008
Accrued interest excluded from total		0
Accrued interest included in recorded investment			0
Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		2,807,926	2,725,306
Accrued interest excluded from total		7,735
Accrued interest included in recorded investment			8,730
Commercial [Member]
Aging analysis of loans by class [Abstract]
Total loans		1,244,547
Total recorded investment	[1]		1,245,951
Accrued interest excluded from total		3,171
Accrued interest included in recorded investment	[1]		3,536
Commercial [Member] | Commercial and Industrial [Member]
Aging analysis of loans by class [Abstract]
Total loans		673,754
Total recorded investment			676,319
Accrued interest excluded from total		2,100
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		162	5,204
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		52	5,003
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	131
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		110	70
Commercial [Member] | Commercial and Industrial [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		673,592	671,115
Commercial [Member] | Commercial Real Estate [Member]
Aging analysis of loans by class [Abstract]
Total loans		570,793
Total recorded investment			569,632
Accrued interest excluded from total		1,071
Commercial [Member] | Commercial Real Estate [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	2,600
Commercial [Member] | Commercial Real Estate [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	2,600
Commercial [Member] | Commercial Real Estate [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	0
Commercial [Member] | Commercial Real Estate [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	0
Commercial [Member] | Commercial Real Estate [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		570,793	567,032
Mortgage [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	1,045,108
Total recorded investment	[1]		1,020,104
Accrued interest excluded from total	[2]	3,347
Accrued interest included in recorded investment	[1]		4,178
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	483,289
Total recorded investment			440,178
Accrued interest excluded from total	[2]	1,261
Accrued interest included in recorded investment			1,301
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		619	1,384
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	761
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	0
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		619	623
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		482,670	438,794
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	251,118
Total recorded investment			267,573
Accrued interest excluded from total	[2]	931
Accrued interest included in recorded investment			1,641
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		1,902	2,843
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		1,017	1,888
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		269	453
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		616	502
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		249,216	264,730
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	169,182
Total recorded investment			159,776
Accrued interest excluded from total	[2]	557
Accrued interest included in recorded investment			587
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		875	1,799
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		383	1,184
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		96	139
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		396	476
Mortgage [Member] | 1-4 Family Non-owner Occupied [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		168,307	157,977
Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	87,605
Total recorded investment			94,530
Accrued interest excluded from total	[2]	363
Accrued interest included in recorded investment			373
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		834	1,670
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		416	710
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		21	228
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		397	732
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		86,771	92,860
Mortgage [Member] | Resort Lending [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	53,914
Total recorded investment			58,047
Accrued interest excluded from total	[2]	235
Accrued interest included in recorded investment			276
Mortgage [Member] | Resort Lending [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		468	585
Mortgage [Member] | Resort Lending [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		0	32
Mortgage [Member] | Resort Lending [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		220	195
Mortgage [Member] | Resort Lending [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		248	358
Mortgage [Member] | Resort Lending [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		53,446	57,462
Installment [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	524,904
Total recorded investment	[1]		476,522
Accrued interest excluded from total	[2]	1,270
Accrued interest included in recorded investment	[1]		1,185
Installment [Member] | Boat Lending [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	228,693
Total recorded investment			207,513
Accrued interest excluded from total	[2]	555
Accrued interest included in recorded investment			572
Installment [Member] | Boat Lending [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		649	196
Installment [Member] | Boat Lending [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		601	95
Installment [Member] | Boat Lending [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		24	101
Installment [Member] | Boat Lending [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		24	0
Installment [Member] | Boat Lending [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		228,044	207,317
Installment [Member] | Recreational Vehicle Lending [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	201,945
Total recorded investment			169,574
Accrued interest excluded from total	[2]	489
Accrued interest included in recorded investment			457
Installment [Member] | Recreational Vehicle Lending [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		613	292
Installment [Member] | Recreational Vehicle Lending [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		540	207
Installment [Member] | Recreational Vehicle Lending [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		46	37
Installment [Member] | Recreational Vehicle Lending [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		27	48
Installment [Member] | Recreational Vehicle Lending [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		201,332	169,282
Installment [Member] | Other [Member]
Aging analysis of loans by class [Abstract]
Total loans	[2]	94,266
Total recorded investment			99,435
Accrued interest excluded from total	[2]	226
Accrued interest included in recorded investment			156
Installment [Member] | Other [Member] | Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Total loans		511	698
Installment [Member] | Other [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		312	337
Installment [Member] | Other [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total loans		64	162
Installment [Member] | Other [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total loans		135	199
Installment [Member] | Other [Member] | Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Total loans		$ 93,755	$ 98,737

[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.