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Loans and Allowance for Loan Losses - Schedule of Past Due Financing Receivables (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Loans, Total past due loans accruing | $ 2,084 | $ 1,671
Loans, Non-accrual loans | 5,938 | 5,236
Loan, Total past due and non-accrual loans | 8,022 | 6,907
Loan, Total loans not past due | $ 518,417 | $ 488,340
Percentage of gross loans, Total past due loans accruing | 0.40% | 0.34%
Percent of gross loans, Non-accrual loans | 1.13% | 1.06%
Percentage of Total past due and non-accrual loans | 1.53% | 1.40%
Percentage of Total loans not past due | 98.47% | 98.60%
Agriculture Loans [Member] |  |
Loans, Total past due loans accruing | $ 616 | $ 188
Loans, Non-accrual loans | 1,509 | 482
Loan, Total past due and non-accrual loans | 2,125 | 670
Loan, Total loans not past due | 98,833 | 95,962
Municipal Loans [Member] |  |
Loans, Total past due loans accruing |  |
Loans, Non-accrual loans |  |
Loan, Total past due and non-accrual loans |  |
Loan, Total loans not past due | 2,728 | 2,953
Consumer Loans [Member] |  |
Loans, Total past due loans accruing | 82 | 129
Loans, Non-accrual loans | 4 | 45
Loan, Total past due and non-accrual loans | 86 | 174
Loan, Total loans not past due | 24,064 | 25,254
Commercial Loans [Member] |  |
Loans, Total past due loans accruing | 408 | 418
Loans, Non-accrual loans | 1,019 | 1,528
Loan, Total past due and non-accrual loans | 1,427 | 1,946
Loan, Total loans not past due | 99,723 | 72,343
30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | $ 647 | $ 1,200
Percentage of gross loans, Total past due loans accruing | 0.12% | 0.24%
30-59 Days Delinquent and Accruing [Member] | Agriculture Loans [Member] |  |
Loans, Total past due loans accruing |  | $ 100
30-59 Days Delinquent and Accruing [Member] | Municipal Loans [Member] |  |
Loans, Total past due loans accruing |  |
30-59 Days Delinquent and Accruing [Member] | Commercial Loans [Member] |  |
Loans, Total past due loans accruing |  | 398
60-89 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | $ 1,437 | $ 471
Percentage of gross loans, Total past due loans accruing | 0.28% | 0.10%
60-89 Days Delinquent and Accruing [Member] | Agriculture Loans [Member] |  |
Loans, Total past due loans accruing | $ 106 | $ 88
60-89 Days Delinquent and Accruing [Member] | Municipal Loans [Member] |  |
Loans, Total past due loans accruing |  |
60-89 Days Delinquent and Accruing [Member] | Consumer Loans [Member] |  |
Loans, Total past due loans accruing | 47 | 23
60-89 Days Delinquent and Accruing [Member] | Commercial Loans [Member] |  |
Loans, Total past due loans accruing |  | 20
90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Percentage of gross loans, Total past due loans accruing | 0.00% | 0.00%
One-to-Four Family Residential Real Estate Loans [Member] |  |
Loans, Total past due loans accruing | $ 635 | $ 337
Loans, Non-accrual loans | 1,053 | 442
Loan, Total past due and non-accrual loans | 1,688 | 779
Loan, Total loans not past due | 140,113 | 136,116
One-to-Four Family Residential Real Estate Loans [Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 71 | 131
One-to-Four Family Residential Real Estate Loans [Member] | 60-89 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 564 | 206
One-to-Four Family Residential Real Estate Loans [Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Construction and Land Loan [Member] |  |
Loans, Total past due loans accruing |  | 134
Loans, Non-accrual loans | 904 | 948
Loan, Total past due and non-accrual loans | 904 | 1,082
Loan, Total loans not past due | 18,798 | 19,001
Construction and Land Loan [Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Construction and Land Loan [Member] | 60-89 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  | 134
Construction and Land Loan [Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Commercial Real Estate[Member] |  |
Loans, Total past due loans accruing | 343 | 465
Loans, Non-accrual loans | 1,449 | 1,791
Loan, Total past due and non-accrual loans | 1,792 | 2,256
Loan, Total loans not past due | 134,158 | 136,711
Commercial Real Estate[Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 15 | 465
Commercial Real Estate[Member] | 60-89 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 328 |
Commercial Real Estate[Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Commercial Loans [Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 16 |
Commercial Loans [Member] | 60-89 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 392 |
Commercial Loans [Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Agriculture Loans [Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 510 |
Agriculture Loans [Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Municipal Loans [Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Municipal Loans [Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |
Consumer Loans [Member] | 30-59 Days Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing | 35 | 106
Consumer Loans [Member] | 90 Days or More Delinquent and Accruing [Member] |  |
Loans, Total past due loans accruing |  |

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