Fair Value Disclosures, Significant Assumptions (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Assets [Abstract]
Securities available for sale		$ 1,247,280	$ 1,072,159
Loans held for sale, carried at fair value		77,799	92,434
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		1,247,280	1,072,159
Derivatives		15,766	16,782
Liabilities [Abstract]
Derivatives		7,365	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		77,799	92,434
Capitalized mortgage loan servicing rights		23,530	16,904
Derivatives	[1]	15,766	16,782
Liabilities [Abstract]
Derivatives	[2]	7,365	11,754
Recurring Basis [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		8,910	10,748
Recurring Basis [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		400,420	344,582
Recurring Basis [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		11,704	7,195
Recurring Basis [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		42,817	42,829
Recurring Basis [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		228,530	254,181
Recurring Basis [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		444,688	324,293
Recurring Basis [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		107,823	86,017
Recurring Basis [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,874	1,798
Recurring Basis [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		514	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		77,799	92,434
Capitalized mortgage loan servicing rights		0	0
Derivatives	[1]	15,766	16,782
Liabilities [Abstract]
Derivatives	[2]	7,365	11,754
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		8,910	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		400,420	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		11,704	7,195
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		42,817	42,829
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		228,530	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		444,688	324,293
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		107,823	86,017
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,874	1,798
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		514	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		23,530	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]	1,293
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]
Assets [Abstract]
Loans receivable	[3]	110
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Assets [Abstract]
Loans receivable	[3]	570
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]
Assets [Abstract]
Loans receivable	[3]	246
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Assets [Abstract]
Loans receivable	[3]	298
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[3]	239
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[3]	7
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]
Assets [Abstract]
Loans receivable	[3]	11
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[3]	142
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]	1,293
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]	110
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]	570
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]	246
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]	298
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]
Assets [Abstract]
Loans receivable	[3]	239
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]
Assets [Abstract]
Loans receivable	[3]	7
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]	11
Nonrecurring Basis [Member] | Significant Un-observable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]
Assets [Abstract]
Loans receivable	[3]	$ 142
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.