Fair Value Disclosures, Significant Assumptions (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Assets [Abstract]
Securities available for sale		$ 1,348,378	$ 1,072,159
Loans held for sale, carried at fair value		78,731	92,434
U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		13,418	10,748
U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		337,860	344,582
U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		18,608	7,195
Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		82,311	42,829
Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		176,121	254,181
Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		564,222	324,293
Corporate [Member]
Assets [Abstract]
Securities available for sale		153,503	86,017
Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,826	1,798
Foreign Government [Member]
Assets [Abstract]
Securities available for sale		509	516
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Securities available for sale		0	0
Derivatives		0	0
Liabilities [Abstract]
Derivatives		0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Securities available for sale		1,348,378	1,072,159
Derivatives		13,559	16,782
Liabilities [Abstract]
Derivatives		6,583	11,754
Significant Un-observable Inputs (Level 3) [Member]
Assets [Abstract]
Securities available for sale		0	0
Derivatives		0	0
Liabilities [Abstract]
Derivatives		0	0
Recurring Basis [Member]
Assets [Abstract]
Loans held for sale, carried at fair value		78,731	92,434
Capitalized mortgage loan servicing rights		24,208	16,904
Derivatives	[1]	13,559	16,782
Liabilities [Abstract]
Derivatives	[2]	6,583	11,754
Recurring Basis [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		13,418	10,748
Recurring Basis [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		337,860	344,582
Recurring Basis [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		18,608	7,195
Recurring Basis [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		82,311	42,829
Recurring Basis [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		176,121	254,181
Recurring Basis [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		564,222	324,293
Recurring Basis [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		153,503	86,017
Recurring Basis [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,826	1,798
Recurring Basis [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		509	516
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Loans held for sale, carried at fair value		0	0
Capitalized mortgage loan servicing rights		0	0
Derivatives	[1]	0	0
Liabilities [Abstract]
Derivatives	[2]	0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Loans held for sale, carried at fair value		78,731	92,434
Capitalized mortgage loan servicing rights		0	0
Derivatives	[1]	13,559	16,782
Liabilities [Abstract]
Derivatives	[2]	6,583	11,754
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		13,418	10,748
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		337,860	344,582
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		18,608	7,195
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		82,311	42,829
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		176,121	254,181
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		564,222	324,293
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		153,503	86,017
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,826	1,798
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		509	516
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member]
Assets [Abstract]
Loans held for sale, carried at fair value		0	0
Capitalized mortgage loan servicing rights		24,208	16,904
Derivatives	[1]	0	0
Liabilities [Abstract]
Derivatives	[2]	0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		0	0
Recurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		0	0
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[3]	411
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[3]	101
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[3]	461
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[3]	180
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[3]	190
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[3]	199
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[3]	42
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[3]	28
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[3]	116
Nonrecurring Basis [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[4]		1,468
Nonrecurring Basis [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[4]		6,586
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		321
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[4]		155
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[4]		324
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[4]		61
Nonrecurring Basis [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[4]		4
Nonrecurring Basis [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[4]		31
Nonrecurring Basis [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[4]		124
Nonrecurring Basis [Member] | Other Real Estate [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[5]		102
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Real Estate [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[5]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[3]	0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Real Estate [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[5]		0
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[3]	411
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[3]	101
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[3]	461
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[3]	180
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[3]	190
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[3]	199
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[3]	42
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[3]	28
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[3]	$ 116
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]
Assets [Abstract]
Loans receivable	[4]		1,468
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[4]		6,586
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		0
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[4]		321
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[4]		155
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[4]		324
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[4]		61
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[4]		4
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[4]		31
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[4]		124
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Other Real Estate [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[5]		$ 102

[1] Included in accrued income and other assets

[2] Included in accrued expenses and other liabilities

[3] Only includes individually evaluated loans with specific loss allocations based on collateral value.

[4] Only includes impaired loans with specific loss allocations based on collateral value.

[5] Only includes other real estate with subsequent write downs to fair value.