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FAIR VALUE DISCLOSURES, Significant Assumptions (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Assets [Abstract]      
Securities available for sale $ 1,412,830 $ 1,072,159  
Loans held for sale, carried at fair value 55,470 92,434 $ 69,800
U.S. Agency [Member]      
Assets [Abstract]      
Securities available for sale 34,674 10,748  
U.S. Agency Residential Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 307,985 344,582  
U.S. Agency Commercial Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 22,926 7,195  
Private Label Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 102,615 42,829  
Other Asset Backed [Member]      
Assets [Abstract]      
Securities available for sale 216,170 254,181  
Obligations of States and Political Subdivisions [Member]      
Assets [Abstract]      
Securities available for sale 576,076 324,293  
Corporate [Member]      
Assets [Abstract]      
Securities available for sale 149,959 86,017  
Trust Preferred [Member]      
Assets [Abstract]      
Securities available for sale 1,919 1,798  
Foreign Government [Member]      
Assets [Abstract]      
Securities available for sale 506 516  
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 1,412,830 1,072,159  
Derivatives 12,283 16,782  
Liabilities [Abstract]      
Derivatives 5,961 11,754  
Significant Unobservable 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 55,470 92,434  
Capitalized mortgage loan servicing rights 26,232 16,904  
Derivatives [1] 12,283 16,782  
Liabilities [Abstract]      
Derivatives [2] 5,961 11,754  
Recurring Basis [Member] | U.S. Agency [Member]      
Assets [Abstract]      
Securities available for sale 34,674 10,748  
Recurring Basis [Member] | U.S. Agency Residential Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 307,985 344,582  
Recurring Basis [Member] | U.S. Agency Commercial Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 22,926 7,195  
Recurring Basis [Member] | Private Label Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 102,615 42,829  
Recurring Basis [Member] | Other Asset Backed [Member]      
Assets [Abstract]      
Securities available for sale 216,170 254,181  
Recurring Basis [Member] | Obligations of States and Political Subdivisions [Member]      
Assets [Abstract]      
Securities available for sale 576,076 324,293  
Recurring Basis [Member] | Corporate [Member]      
Assets [Abstract]      
Securities available for sale 149,959 86,017  
Recurring Basis [Member] | Trust Preferred [Member]      
Assets [Abstract]      
Securities available for sale 1,919 1,798  
Recurring Basis [Member] | Foreign Government [Member]      
Assets [Abstract]      
Securities available for sale 506 516  
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 55,470 92,434  
Capitalized mortgage loan servicing rights 0 0  
Derivatives [1] 12,283 16,782  
Liabilities [Abstract]      
Derivatives [2] 5,961 11,754  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency [Member]      
Assets [Abstract]      
Securities available for sale 34,674 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 307,985 344,582  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 22,926 7,195  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Private Label Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 102,615 42,829  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Asset Backed [Member]      
Assets [Abstract]      
Securities available for sale 216,170 254,181  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Obligations of States and Political Subdivisions [Member]      
Assets [Abstract]      
Securities available for sale 576,076 324,293  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate [Member]      
Assets [Abstract]      
Securities available for sale 149,959 86,017  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Trust Preferred [Member]      
Assets [Abstract]      
Securities available for sale 1,919 1,798  
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Government [Member]      
Assets [Abstract]      
Securities available for sale 506 516  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]      
Assets [Abstract]      
Loans held for sale, carried at fair value 0 0  
Capitalized mortgage loan servicing rights 26,232 16,904  
Derivatives [1] 0 0  
Liabilities [Abstract]      
Derivatives [2] 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | U.S. Agency [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | U.S. Agency Residential Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Private Label Mortgage-Backed [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Other Asset Backed [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Obligations of States and Political Subdivisions [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Corporate [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Trust Preferred [Member]      
Assets [Abstract]      
Securities available for sale 0 0  
Recurring Basis [Member] | Significant Unobservable 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]      
Impaired loans [Abstract]      
Loans receivable [3] 274    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 65    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 516    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 130    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 121    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 77    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 51    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 77    
Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 45    
Nonrecurring Basis [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   1,468  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   6,586  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   321  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   155  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   324  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   61  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   4  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   31  
Nonrecurring Basis [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   124  
Nonrecurring Basis [Member] | Other Real Estate [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Real Estate [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [Abstract]      
Loans receivable [3] 0    
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 0    
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]      
Impaired loans [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]      
Impaired loans [Abstract]      
Loans receivable [3] 0    
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 0    
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [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]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Real Estate [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [5]   0  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 274    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 65    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 516    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 130    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 121    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Mortgage [Member] | Resort Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 77    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Boat Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 51    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [3] 77    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] | Installment [Member] | Other [Member]      
Impaired loans [Abstract]      
Loans receivable [3] $ 45    
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial and Industrial [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   1,468  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Commercial [Member] | Commercial Real Estate [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   6,586  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   0  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   321  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family Non-owner Occupied [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   155  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | 1-4 Family - 2nd Lien [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   324  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Mortgage [Member] | Resort Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   61  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Installment [Member] | Boat Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   4  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Installment [Member] | Recreational Vehicle Lending [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   31  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans [Member] | Installment [Member] | Other [Member]      
Impaired loans [Abstract]      
Loans receivable [4]   124  
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Other Real Estate [Member] | Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]      
Impaired loans [Abstract]      
Loans receivable [5]   $ 102  
[1] Included in accrued income and other assets in the Consolidated Statements of Financial Condition.
[2] Included in accrued expenses and other liabilities in the Consolidated Statements of Financial Condition.
[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.