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Loans and Allowance for Loan Losses - Schedule of Allowance for Credit Losses on Financing Receivables (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Balance | $ 5,765 | $ 5,459 | $ 5,344 |  |  |
Charge-offs | (825) | (1,160) | (488) |  |  |
Recoveries | 127 | 66 | 153 |  |  |
Provision for loan losses | 1,400 | 1,400 | 450 |  |  |
Balance | 6,467 | 5,765 | 5,459 |  |  |
Individually evaluated for loss |  |  |  | $ 733 | $ 310 | $ 642
Collectively evaluated for loss |  |  |  | 5,734 | 5,455 | 4,817
Total | 5,765 | 5,459 | 5,459 | 6,467 | 5,765 | 5,459
Individually evaluated for loss |  |  |  | 8,680 | 8,691 | 9,760
Collectively evaluated for loss |  |  |  | 529,712 | 486,556 | 429,476
Loans and Leases Receivable, Gross, Total |  |  |  | 538,392 | 495,247 | 439,236
One-to-Four Family Residential Real Estate Loans [Member] |  |  |  |  |  |
Balance | 449 | 542 | 504 |  |  |
Charge-offs | (56) | (32) | (37) |  |  |
Recoveries | 1 | 4 | 11 |  |  |
Provision for loan losses | 107 | (65) | 64 |  |  |
Balance | 501 | 449 | 542 |  |  |
Individually evaluated for loss |  |  |  | 129 | 100 | 73
Collectively evaluated for loss |  |  |  | 372 | 349 | 469
Total | 501 | 449 | 504 | 501 | 449 | 542
Individually evaluated for loss |  |  |  | 1,256 | 623 | 747
Collectively evaluated for loss |  |  |  | 145,249 | 136,272 | 135,468
Loans and Leases Receivable, Gross, Total |  |  |  | 146,505 | 136,895 | 136,215
Construction and Land Loan [Member] |  |  |  |  |  |
Balance | 168 | 181 | 53 |  |  |
Charge-offs | (31) |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision for loan losses | 134 | (13) | 128 |  |  |
Balance | 271 | 168 | 181 |  |  |
Individually evaluated for loss |  |  |  | 191 | 103 | 102
Collectively evaluated for loss |  |  |  | 80 | 65 | 79
Total | 271 | 168 | 53 | 271 | 168 | 181
Individually evaluated for loss |  |  |  | 1,479 | 1,808 | 2,031
Collectively evaluated for loss |  |  |  | 20,980 | 18,275 | 17,325
Loans and Leases Receivable, Gross, Total |  |  |  | 22,459 | 20,083 | 19,356
Commercial Real Estate Loans [Member] |  |  |  |  |  |
Balance | 1,686 | 1,540 | 1,777 |  |  |
Charge-offs |  |  | (71) |  |  |
Recoveries |  | 1 |  |  |  |
Provision for loan losses | (300) | 145 | (166) |  |  |
Balance | 1,386 | 1,686 | 1,540 |  |  |
Individually evaluated for loss |  |  |  | 103 | 67 | 52
Collectively evaluated for loss |  |  |  | 1,283 | 1,619 | 1,488
Total | 1,386 | 1,686 | 1,777 | 1,386 | 1,686 | 1,540
Individually evaluated for loss |  |  |  | 3,461 | 3,912 | 3,973
Collectively evaluated for loss |  |  |  | 130,040 | 135,055 | 116,651
Loans and Leases Receivable, Gross, Total |  |  |  | 133,501 | 138,967 | 120,624
Commercial Loans [Member] |  |  |  |  |  |
Balance | 1,051 | 1,226 | 1,119 |  |  |
Charge-offs | (453) | (950) |  |  |  |
Recoveries | 53 | 22 | 20 |  |  |
Provision for loan losses | 1,164 | 753 | 87 |  |  |
Balance | 1,815 | 1,051 | 1,226 |  |  |
Individually evaluated for loss |  |  |  | 204 | 27 | 391
Collectively evaluated for loss |  |  |  | 1,611 | 1,024 | 835
Total | 1,815 | 1,226 | 1,119 | 1,815 | 1,051 | 1,226
Individually evaluated for loss |  |  |  | 1,298 | 1,528 | 2,002
Collectively evaluated for loss |  |  |  | 108,314 | 72,761 | 52,589
Loans and Leases Receivable, Gross, Total |  |  |  | 109,612 | 74,289 | 54,591
Agriculture Loans [Member] |  |  |  |  |  |
Balance | 2,238 | 1,812 | 1,684 |  |  |
Charge-offs |  |  | (45) |  |  |
Recoveries |  | 1 | 1 |  |  |
Provision for loan losses | 109 | 425 | 172 |  |  |
Balance | 2,347 | 2,238 | 1,812 |  |  |
Individually evaluated for loss |  |  |  | 106 | 13 | 24
Collectively evaluated for loss |  |  |  | 2,241 | 2,225 | 1,788
Total | 2,347 | 2,238 | 1,684 | 2,347 | 2,238 | 1,812
Individually evaluated for loss |  |  |  | 1,124 | 717 | 833
Collectively evaluated for loss |  |  |  | 97,434 | 95,915 | 82,175
Loans and Leases Receivable, Gross, Total |  |  |  | 98,558 | 96,632 | 83,008
Municipal Loans [Member] |  |  |  |  |  |
Balance | 7 | 8 | 12 |  |  |
Charge-offs |  |  |  |  |  |
Recoveries | 6 | 2 | 37 |  |  |
Provision for loan losses | (6) | (3) | (41) |  |  |
Balance | 7 | 7 | 8 |  |  |
Individually evaluated for loss |  |  |  |  |  |
Collectively evaluated for loss |  |  |  | 7 | 7 | 8
Total | 7 | 7 | 12 | 7 | 7 | 8
Individually evaluated for loss |  |  |  | 58 | 58 | 140
Collectively evaluated for loss |  |  |  | 2,598 | 2,895 | 3,256
Loans and Leases Receivable, Gross, Total |  |  |  | 2,656 | 2,953 | 3,396
Consumer Loans [Member] |  |  |  |  |  |
Balance | 166 | 150 | 195 |  |  |
Charge-offs | (285) | (178) | (335) |  |  |
Recoveries | 67 | 36 | 84 |  |  |
Provision for loan losses | 192 | 158 | 206 |  |  |
Balance | 140 | 166 | 150 |  |  |
Individually evaluated for loss |  |  |  |  |  |
Collectively evaluated for loss |  |  |  | 140 | 166 | 150
Total | $ 140 | $ 150 | $ 150 | 140 | 166 | 150
Individually evaluated for loss |  |  |  | 4 | 45 | 34
Collectively evaluated for loss |  |  |  | 25,097 | 25,383 | 22,012
Loans and Leases Receivable, Gross, Total |  |  |  | $ 25,101 | $ 25,428 | $ 22,046

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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