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Loans and Allowance for Loan Losses - Schedule of Troubled Debt Restructurings On Financing Receivables (Details) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 USD ($) Number | Dec. 31, 2016 USD ($) Number
Troubled debt restructurings, Number of loans | Number | 20 | 17
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | $ 5,489 | $ 2,746
One-To-Four Family Residential Real Estate [Member] |  |
Troubled debt restructurings, Number of loans | Number | 2 | 2
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance |  |
Financing Receivable, Modifications, Recorded Investment, Accruing Balance | $ 198 | $ 185
Commercial [Member] |  |
Troubled debt restructurings, Number of loans | Number |  | 2
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance |  | $ 342
Financing Receivable, Modifications, Recorded Investment, Accruing Balance |  | $ 13
Agriculture [Member] |  |
Troubled debt restructurings, Number of loans | Number | 8 | 4
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | $ 883 | $ 838
Municipal [Member] |  |
Troubled debt restructurings, Number of loans | Number | 2 | 2
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance |  |
Financing Receivable, Modifications, Recorded Investment, Accruing Balance | 140 | 258
Construction and Land [Member] |  |
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | 578 | 588
Financing Receivable, Modifications, Recorded Investment, Accruing Balance | 1,297 | 1,338
Commercial Real Estate [Member] |  |
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | 60 | 64
Financing Receivable, Modifications, Recorded Investment, Accruing Balance | 2,135 | 2,145
Agriculture [Member] |  |
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | 361 | 268
Financing Receivable, Modifications, Recorded Investment, Accruing Balance |  | 44
TDR [Member] |  |
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | 999 | 920
Financing Receivable, Modifications, Recorded Investment, Accruing Balance | $ 3,770 | $ 3,983
Construction and Land [Member] |  |
Troubled debt restructurings, Number of loans | Number | 4 | 4
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | $ 786 | $ 599
Commercial Real Estate [Member] |  |
Troubled debt restructurings, Number of loans | Number | 4 | 3
Financing Receivable, Modifications, Recorded Investment, Non Accrual Balance | $ 1,864 | $ 300

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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