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Loans and Allowance for Loan Losses - Schedule of Allowance for Credit Losses on Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Dec. 31, 2017
Balance | $ 5,644 | $ 5,327 | $ 5,459 | $ 5,344 |  |
Charge-offs | (73) | (119) | (106) | (245) |  |
Recoveries | 14 | 18 | 32 | 77 |  |
Provision for loan losses | 250 | 100 | 450 | 150 |  |
Balance | 5,835 | 5,326 | 5,835 | 5,326 |  |
Individually evaluated for loss |  |  |  |  | $ 853 | $ 642
Collectively evaluated for loss |  |  |  |  | 4,982 | 4,817
Total | 5,835 | 5,327 | 5,459 | 5,344 | 5,835 | 5,459
Individually evaluated for loss |  |  |  |  | 9,018 | 9,760
Collectively evaluated for loss |  |  |  |  | 458,119 | 429,476
Total |  |  |  |  | 467,137 | 439,236
One-To-Four Family Residential Real Estate Loan [Member] |  |  |  |  |  |
Balance | 477 | 493 | 542 | 504 |  |
Charge-offs |  |  |  | (19) |  |
Recoveries | 1 | 7 | 2 | 8 |  |
Provision for loan losses | (39) | (1) | (105) | 6 |  |
Balance | 439 | 499 | 439 | 499 |  |
Individually evaluated for loss |  |  |  |  | 85 | 73
Collectively evaluated for loss |  |  |  |  | 354 | 469
Total | 439 | 499 | 542 | 504 | 439 | 542
Individually evaluated for loss |  |  |  |  | 651 | 747
Collectively evaluated for loss |  |  |  |  | 137,616 | 135,468
Total |  |  |  |  | 138,267 | 136,215
Construction and Land Loan [Member] |  |  |  |  |  |
Balance | 121 | 71 | 181 | 53 |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision for loan losses | (12) | (1) | (72) | 17 |  |
Balance | 109 | 70 | 109 | 70 |  |
Individually evaluated for loss |  |  |  |  |  | 102
Collectively evaluated for loss |  |  |  |  | 109 | 79
Total | 109 | 70 | 181 | 70 | 109 | 181
Individually evaluated for loss |  |  |  |  | 1,641 | 2,031
Collectively evaluated for loss |  |  |  |  | 24,812 | 17,325
Total |  |  |  |  | 26,453 | 19,356
Commercial Real Estate Loan [Member] |  |  |  |  |  |
Balance | 1,562 | 1,740 | 1,540 | 1,777 |  |
Charge-offs |  | (61) |  | (61) |  |
Recoveries |  |  | 1 |  |  |
Provision for loan losses | (96) | 30 | (75) | (7) |  |
Balance | 1,466 | 1,709 | 1,466 | 1,709 |  |
Individually evaluated for loss |  |  |  |  | 14 | 52
Collectively evaluated for loss |  |  |  |  | 1,452 | 1,488
Total | 1,466 | 1,709 | 1,540 | 1,777 | 1,466 | 1,540
Individually evaluated for loss |  |  |  |  | 3,920 | 3,973
Collectively evaluated for loss |  |  |  |  | 118,026 | 116,651
Total |  |  |  |  | 121,946 | 120,624
Commercial Loan [Member] |  |  |  |  |  |
Balance |  |  | 1,226 |  |  |
Charge-offs | (29) |  | (29) |  |  |
Recoveries | 1 | 1 | 2 | 9 |  |
Provision for loan losses | 237 | (21) | 494 | (47) |  |
Balance | 1,693 |  | 1,693 |  |  |
Individually evaluated for loss |  |  |  |  | 728 | 391
Collectively evaluated for loss |  |  |  |  | 965 | 835
Total | 1,693 |  | 1,693 |  | 1,693 | 1,226
Individually evaluated for loss |  |  |  |  | 2,032 | 2,002
Collectively evaluated for loss |  |  |  |  | 64,499 | 52,589
Total |  |  |  |  | 66,531 | 54,591
Agriculture Loan [Member] |  |  |  |  |  |
Balance | 1,867 | 1,731 | 1,812 | 1,684 |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  | 1 |  |
Provision for loan losses | 138 | 41 | 193 | 87 |  |
Balance | 2,005 | 1,772 | 2,005 | 1,772 |  |
Individually evaluated for loss |  |  |  |  | 25 | 24
Collectively evaluated for loss |  |  |  |  | 1,980 | 1,788
Total | 2,005 | 1,772 | 1,812 | 1,684 | 2,005 | 1,812
Individually evaluated for loss |  |  |  |  | 602 | 833
Collectively evaluated for loss |  |  |  |  | 87,299 | 82,175
Total |  |  |  |  | 87,901 | 83,008
Municipal Loan [Member] |  |  |  |  |  |
Balance | 7 | 11 | 8 | 12 |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  | 2 |  |  |
Provision for loan losses |  | (1) | (3) | (2) |  |
Balance | 7 | 10 | 7 | 10 |  |
Individually evaluated for loss |  |  |  |  |  |
Collectively evaluated for loss |  |  |  |  | 7 | 8
Total | 7 | 10 | 8 | 12 | 7 | 8
Individually evaluated for loss |  |  |  |  | 126 | 140
Collectively evaluated for loss |  |  |  |  | 3,046 | 3,256
Total |  |  |  |  | 3,172 | 3,396
Consumer Loan [Member] |  |  |  |  |  |
Balance | 126 | 180 | 150 | 195 |  |
Charge-offs | (44) | (58) | (77) | (165) |  |
Recoveries | 12 | 10 | 25 | 59 |  |
Provision for loan losses | 22 | 53 | 18 | 96 |  |
Balance | 116 | 185 | 116 | 185 |  |
Individually evaluated for loss |  |  |  |  | 1 |
Collectively evaluated for loss |  |  |  |  | 115 | 150
Total | $ 116 | $ 185 | $ 116 | $ 195 | 116 | 150
Individually evaluated for loss |  |  |  |  | 46 | 34
Collectively evaluated for loss |  |  |  |  | 22,821 | 22,012
Total |  |  |  |  | $ 22,867 | $ 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=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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