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Loans and ACL (Summary of Credit Quality Indicators by Year of Origination) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and Leases Receivable, Net of Deferred Income $ 1,270,651,000   $ 1,264,173,000
Total     1,264,173,000
Financing Receivable, Allowance for Credit Loss, Writeoff 101,000 $ 91,000  
Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 33,000   14,000
Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 1,264,850,000   1,253,405,000
Commercial and Industrial, Secured, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 11,106,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 48,988,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 35,685,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 16,878,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 5,118,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 4,741,000    
Financing Receivable, Revolving 46,879,000    
Loans and Leases Receivable, Net of Deferred Income 169,395,000   161,895,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Commercial and Industrial, Secured, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   0
Commercial and Industrial, Secured, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 168,860,000   161,359,000
Commercial and Industrial, Secured, Portfolio Segment | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 529,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 7,104,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 7,882,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 9,123,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,348,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,915,000    
Financing Receivable, Revolving 9,696,000    
Loans and Leases Receivable, Net of Deferred Income 37,597,000    
Commercial and Industrial, Secured, Portfolio Segment | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 10,328,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 38,615,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 26,043,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 6,897,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 3,017,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,457,000    
Financing Receivable, Revolving 31,861,000    
Loans and Leases Receivable, Net of Deferred Income 119,218,000    
Commercial and Industrial, Secured, Portfolio Segment | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 249,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 3,269,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,742,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 556,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 698,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 176,000    
Financing Receivable, Revolving 2,757,000    
Loans and Leases Receivable, Net of Deferred Income 9,447,000    
Commercial and Industrial, Secured, Portfolio Segment | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 18,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 282,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 55,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 193,000    
Financing Receivable, Revolving 2,565,000    
Loans and Leases Receivable, Net of Deferred Income 3,113,000    
Commercial and Industrial, Secured, Portfolio Segment | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 20,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 20,000    
Commercial and Industrial, Secured, Portfolio Segment | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial and Industrial, Secured, Portfolio Segment | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Secured, Portfolio Segment | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial and Industrial, Secured, Portfolio Segment | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 233,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 3,210,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,146,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 741,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 128,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,114,000    
Financing Receivable, Revolving 13,218,000    
Loans and Leases Receivable, Net of Deferred Income 19,790,000   16,533,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   0
Commercial and Industrial, Unsecured, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 19,790,000   16,533,000
Commercial and Industrial, Unsecured, Portfolio Segment | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 259,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 172,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 71,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 126,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,106,000    
Financing Receivable, Revolving 6,156,000    
Loans and Leases Receivable, Net of Deferred Income 7,890,000    
Commercial and Industrial, Unsecured, Portfolio Segment | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 225,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 2,913,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 974,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 670,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 8,000    
Financing Receivable, Revolving 7,017,000    
Loans and Leases Receivable, Net of Deferred Income 11,807,000    
Commercial and Industrial, Unsecured, Portfolio Segment | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 8,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 38,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 45,000    
Loans and Leases Receivable, Net of Deferred Income 93,000    
Commercial and Industrial, Unsecured, Portfolio Segment | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial and Industrial, Unsecured, Portfolio Segment | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial and Industrial, Unsecured, Portfolio Segment | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial and Industrial, Unsecured, Portfolio Segment | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 3,644,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 34,494,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 56,317,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 29,702,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 19,476,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 31,166,000    
Financing Receivable, Revolving 6,089,000    
Loans and Leases Receivable, Net of Deferred Income 180,888,000   192,117,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   0
Commercial Real Estate, Owner Occupied, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 180,888,000   192,023,000
Commercial Real Estate, Owner Occupied, Portfolio Segment | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 1,600,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,754,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 13,266,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 14,887,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,043,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 4,002,000    
Financing Receivable, Revolving 502,000    
Loans and Leases Receivable, Net of Deferred Income 37,054,000    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 1,993,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 31,751,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 41,873,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 14,341,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 14,452,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 24,041,000    
Financing Receivable, Revolving 5,565,000    
Loans and Leases Receivable, Net of Deferred Income 134,016,000    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 51,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 989,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 273,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 474,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 3,981,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,556,000    
Financing Receivable, Revolving 22,000    
Loans and Leases Receivable, Net of Deferred Income 8,346,000    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 905,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 567,000    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 1,472,000    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Owner Occupied, Portfolio Segment | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 21,660,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 53,875,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 46,060,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 13,406,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 8,002,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 56,498,000    
Financing Receivable, Revolving 19,864,000    
Loans and Leases Receivable, Net of Deferred Income 219,365,000   204,091,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Commercial Real Estate, Non-owner Occupied | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   0
Commercial Real Estate, Non-owner Occupied | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 216,828,000   197,313,000
Commercial Real Estate, Non-owner Occupied | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 78,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 4,508,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 6,745,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 1,006,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 86,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,857,000    
Financing Receivable, Revolving 110,000    
Loans and Leases Receivable, Net of Deferred Income 14,390,000    
Commercial Real Estate, Non-owner Occupied | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 21,582,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 49,367,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 38,738,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 12,342,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 7,916,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 50,856,000    
Financing Receivable, Revolving 13,789,000    
Loans and Leases Receivable, Net of Deferred Income 194,590,000    
Commercial Real Estate, Non-owner Occupied | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 577,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 3,785,000    
Financing Receivable, Revolving 5,965,000    
Loans and Leases Receivable, Net of Deferred Income 10,327,000    
Commercial Real Estate, Non-owner Occupied | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 58,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 58,000    
Commercial Real Estate, Non-owner Occupied | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Non-owner Occupied | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Non-owner Occupied | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Non-owner Occupied | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Non-owner Occupied | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 2,437,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 14,589,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 33,587,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 17,181,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 3,706,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 6,567,000    
Financing Receivable, Revolving 7,150,000    
Loans and Leases Receivable, Net of Deferred Income 85,217,000   85,278,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   14,000
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 85,217,000   85,264,000
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,192,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,577,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 943,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 690,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,120,000    
Financing Receivable, Revolving 1,347,000    
Loans and Leases Receivable, Net of Deferred Income 6,869,000    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 1,983,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,032,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 31,707,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 16,238,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,892,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 5,156,000    
Financing Receivable, Revolving 5,803,000    
Loans and Leases Receivable, Net of Deferred Income 76,811,000    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 157,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 365,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 303,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 58,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 883,000    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 297,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 9,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 291,000    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 597,000    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 57,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 57,000    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 331,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 22,505,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 20,824,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 946,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 637,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 27,453,000    
Financing Receivable, Revolving 8,244,000    
Loans and Leases Receivable, Net of Deferred Income 80,940,000   84,526,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   0
Commercial Real Estate, Multifamily, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 80,940,000   84,526,000
Commercial Real Estate, Multifamily, Portfolio Segment | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 4,955,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 2,156,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 584,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,013,000    
Financing Receivable, Revolving 5,350,000    
Loans and Leases Receivable, Net of Deferred Income 15,058,000    
Commercial Real Estate, Multifamily, Portfolio Segment | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 331,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 17,550,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 18,627,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 323,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 637,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 22,411,000    
Financing Receivable, Revolving 2,520,000    
Loans and Leases Receivable, Net of Deferred Income 62,399,000    
Commercial Real Estate, Multifamily, Portfolio Segment | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 39,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 39,000    
Commercial Real Estate, Multifamily, Portfolio Segment | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 41,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 3,029,000    
Financing Receivable, Revolving 374,000    
Loans and Leases Receivable, Net of Deferred Income 3,444,000    
Commercial Real Estate, Multifamily, Portfolio Segment | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Multifamily, Portfolio Segment | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Commercial Real Estate, Multifamily, Portfolio Segment | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Commercial Real Estate, Multifamily, Portfolio Segment | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 2,172,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 20,707,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 16,635,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 9,949,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 5,252,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 12,600,000    
Financing Receivable, Revolving 4,021,000    
Loans and Leases Receivable, Net of Deferred Income 71,336,000   73,002,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Agricultural Mortgage, Portfolio Segment | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 363,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 3,124,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,249,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 2,859,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 849,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,485,000    
Financing Receivable, Revolving 78,000    
Loans and Leases Receivable, Net of Deferred Income 10,007,000    
Agricultural Mortgage, Portfolio Segment | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 1,683,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,107,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 9,454,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 6,370,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 4,214,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 6,628,000    
Financing Receivable, Revolving 2,475,000    
Loans and Leases Receivable, Net of Deferred Income 43,931,000    
Agricultural Mortgage, Portfolio Segment | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 126,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 4,476,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 5,932,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 720,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 189,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,063,000    
Financing Receivable, Revolving 1,468,000    
Loans and Leases Receivable, Net of Deferred Income 13,974,000    
Agricultural Mortgage, Portfolio Segment | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 3,359,000    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 3,359,000    
Agricultural Mortgage, Portfolio Segment | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 65,000    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 65,000    
Agricultural Mortgage, Portfolio Segment | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Agricultural Mortgage, Portfolio Segment | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Mortgage, Portfolio Segment | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Agricultural Mortgage, Portfolio Segment | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 877,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 4,503,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 2,999,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 1,582,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 445,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,354,000    
Financing Receivable, Revolving 11,664,000    
Loans and Leases Receivable, Net of Deferred Income 23,424,000   31,983,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Total     31,983,000
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Agricultural Other Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 0   0
Agricultural Other Portfolio Segment [Member] | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 23,408,000   31,983,000
Agricultural Other Portfolio Segment [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | Risk Rating 1-3      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 191,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 82,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 129,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 270,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 268,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 175,000    
Financing Receivable, Revolving 1,646,000    
Loans and Leases Receivable, Net of Deferred Income 2,761,000    
Agricultural Other Portfolio Segment [Member] | Risk Rating 1-3 | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 460,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 3,902,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 2,632,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 743,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 177,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 233,000    
Financing Receivable, Revolving 7,750,000    
Loans and Leases Receivable, Net of Deferred Income 15,897,000    
Total     21,214,000
Agricultural Other Portfolio Segment [Member] | Low Satisfactory Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 226,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 519,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 204,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 569,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 721,000    
Financing Receivable, Revolving 2,268,000    
Loans and Leases Receivable, Net of Deferred Income 4,507,000    
Total     4,634,000
Agricultural Other Portfolio Segment [Member] | Special Mention [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 34,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 58,000    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 92,000    
Total     1,260,000
Agricultural Other Portfolio Segment [Member] | Substandard [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 167,000    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 167,000    
Total     167,000
Agricultural Other Portfolio Segment [Member] | Vulnerable Rating [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total     0
Agricultural Other Portfolio Segment [Member] | Doubtful [Member] | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Agricultural Other Portfolio Segment [Member] | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total     0
Agricultural Other Portfolio Segment [Member] | 9 - Loss | Revolving Loans Converted to Term      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Revolving, Converted to Term Loan 0    
Residential Real Estate, Senior Lein, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 8,276,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 46,988,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 81,293,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 57,467,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 26,026,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 65,329,000    
Financing Receivable, Revolving 11,101,000    
Financing Receivable, Revolving, Converted to Term Loan 3,304,000    
Loans and Leases Receivable, Net of Deferred Income 299,784,000    
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 2,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 2,000    
Residential Real Estate, Senior Lein, Portfolio Segment | Nonperforming Financial Instruments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 44,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 135,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 179,000    
Residential Real Estate, Senior Lein, Portfolio Segment | Financial Assets, 30 to 89 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 111,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 269,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 48,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 364,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,359,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 2,151,000    
Residential Real Estate, Senior Lein, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total 0   0
Residential Real Estate, Senior Lein, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 8,276,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 46,877,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 81,024,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 57,419,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 25,618,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 63,835,000    
Financing Receivable, Revolving 11,101,000    
Financing Receivable, Revolving, Converted to Term Loan 3,304,000    
Loans and Leases Receivable, Net of Deferred Income 297,454,000    
Total 297,508,000   296,975,000
Residential Real Estate, Junior Lein, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 538,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,524,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 207,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 199,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 241,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 677,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 3,386,000    
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Residential Real Estate, Junior Lein, Portfolio Segment | Nonperforming Financial Instruments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Residential Real Estate, Junior Lein, Portfolio Segment | Financial Assets, 30 to 89 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Residential Real Estate, Junior Lein, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total 0   0
Residential Real Estate, Junior Lein, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 538,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,524,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 207,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 199,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 241,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 677,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 3,386,000    
Total 3,386,000   3,282,000
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 33,016,000    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 33,016,000    
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment | Nonperforming Financial Instruments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment | Financial Assets, 30 to 89 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 21,000    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 21,000    
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total 0   0
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 32,995,000    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 32,995,000    
Total 32,995,000   33,149,000
Consumer, Secured, Direct, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 4,646,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,150,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 9,077,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 5,315,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,512,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,441,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 37,141,000   37,127,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 5,000    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 5,000    
Consumer, Secured, Direct, Portfolio Segment | Nonperforming Financial Instruments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Consumer, Secured, Direct, Portfolio Segment | Financial Assets, 30 to 89 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Consumer, Secured, Direct, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total 0   0
Consumer, Secured, Direct, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 4,646,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,150,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 9,077,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 5,315,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,512,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,441,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 37,141,000    
Total 37,141,000   37,126,000
Consumer, Secured, Indirect, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 7,563,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,934,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 8,565,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 6,823,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,724,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 4,193,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 43,802,000   37,814,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Allowance for Credit Loss, Writeoff 0    
Consumer, Secured, Indirect, Portfolio Segment | Nonperforming Financial Instruments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Consumer, Secured, Indirect, Portfolio Segment | Financial Assets, 30 to 89 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 16,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 12,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 15,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 43,000    
Consumer, Secured, Indirect, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total 0   0
Consumer, Secured, Indirect, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 7,563,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,918,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 8,565,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 6,811,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,724,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 4,178,000    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 43,759,000    
Total 43,759,000   37,761,000
Consumer, Unsecured, Portfolio Segment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 530,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,355,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 361,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 225,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 37,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 7,000    
Financing Receivable, Revolving 652,000    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 3,167,000   3,113,000
Financing Receivable, Revolving Converted to Term Loan, Gross Written Off Amount 0    
Financing Receivable, Revolving, Gross Written Off Amount 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Gross Written Off Amount 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Gross Written Off Amount 3    
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Current Period, Gross Written Off Amount 0    
Financing Receivable, Year One, Originated, Current Fiscal Year, Gross Written Off Amount (91)    
Financing Receivable, Allowance for Credit Loss, Writeoff 94    
Consumer, Unsecured, Portfolio Segment | Nonperforming Financial Instruments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Consumer, Unsecured, Portfolio Segment | Financial Assets, 30 to 89 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Consumer, Unsecured, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0    
Financing Receivable, Revolving 0    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 0    
Total 0   0
Consumer, Unsecured, Portfolio Segment | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, Year One, Originated, Current Fiscal Year 530,000    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,355,000    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 361,000    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 225,000    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 37,000    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 7,000    
Financing Receivable, Revolving 652,000    
Financing Receivable, Revolving, Converted to Term Loan 0    
Loans and Leases Receivable, Net of Deferred Income 3,167,000    
Total 3,167,000   3,109,000
Agricultural Real Estate Portfolio Segment [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     73,002,000
Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 33,000   0
Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total $ 70,963,000   73,002,000
Agricultural Real Estate Portfolio Segment [Member] | Low Satisfactory Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     44,258,000
Agricultural Real Estate Portfolio Segment [Member] | Special Mention [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     12,262,000
Agricultural Real Estate Portfolio Segment [Member] | Substandard [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     6,316,000
Agricultural Real Estate Portfolio Segment [Member] | Vulnerable Rating [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     67,000
Agricultural Real Estate Portfolio Segment [Member] | Doubtful [Member]      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     0
Agricultural Real Estate Portfolio Segment [Member] | 9 - Loss      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total     $ 0