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Loans - Analysis of Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 7,049 |  |  |  | $ 7,095 | $ 7,049 | $ 7,095 |
Charge Offs |  |  |  |  |  |  |  |  | (841) | (580) | $ (288)
Recoveries |  |  |  |  |  |  |  |  | 156 | 163 | 150
Provision (Credit) | $ 728 | $ 247 | $ 133 | 30 | $ 105 | $ 47 | $ 132 | 40 | 1,138 | 324 | 222
Other Non-interest expense related to unfunded |  |  |  |  |  |  |  |  | 205 | 47 |
Ending Balance | 7,707 |  |  |  | 7,049 |  |  |  | 7,707 | 7,049 | 7,095
Ending balance: individually evaluated for impairment | 197 |  |  |  | 31 |  |  |  | 197 | 31 |
Ending balance: collectively evaluated for impairment | 7,510 |  |  |  | 7,018 |  |  |  | 7,510 | 7,018 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 1,218,999 |  |  |  | 846,374 |  |  |  | 1,218,999 | 846,374 |
Ending balance: individually evaluated for impairment | 3,061 |  |  |  | 2,054 |  |  |  | 3,061 | 2,054 |
Ending balance: collectively evaluated for impairment | 1,215,786 |  |  |  | 844,204 |  |  |  | 1,215,786 | 844,204 |
Ending balance: loans acquired with deteriorated credit quality | 152 |  |  |  | 116 |  |  |  | 152 | 116 |
Consumer Real Estate [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 247 |  |  |  | 343 | 247 | 343 |
Charge Offs |  |  |  |  |  |  |  |  | (98) | (63) |
Recoveries |  |  |  |  |  |  |  |  |  | 18 |
Provision (Credit) |  |  |  |  |  |  |  |  | 162 | (51) |
Ending Balance | 311 |  |  |  | 247 |  |  |  | 311 | 247 | 343
Ending balance: individually evaluated for impairment | 30 |  |  |  | 26 |  |  |  | 30 | 26 |
Ending balance: collectively evaluated for impairment | 281 |  |  |  | 221 |  |  |  | 281 | 221 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 164,691 |  |  |  | 80,232 |  |  |  | 164,691 | 80,232 |
Ending balance: individually evaluated for impairment | 829 |  |  |  | 757 |  |  |  | 829 | 757 |
Ending balance: collectively evaluated for impairment | 163,816 |  |  |  | 79,359 |  |  |  | 163,816 | 79,359 |
Ending balance: loans acquired with deteriorated credit quality | 46 |  |  |  | 116 |  |  |  | 46 | 116 |
Agricultural Real Estate [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 250 |  |  |  | 244 | 250 | 244 |
Provision (Credit) |  |  |  |  |  |  |  |  | 64 | 6 |
Ending Balance | 314 |  |  |  | 250 |  |  |  | 314 | 250 | 244
Ending balance: collectively evaluated for impairment | 314 |  |  |  | 250 |  |  |  | 314 | 250 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 198,859 |  |  |  | 68,588 |  |  |  | 198,859 | 68,588 |
Ending balance: collectively evaluated for impairment | 198,859 |  |  |  | 68,588 |  |  |  | 198,859 | 68,588 |
Agricultural [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 768 |  |  |  | 667 | 768 | 667 |
Charge Offs |  |  |  |  |  |  |  |  | (37) |  |
Recoveries |  |  |  |  |  |  |  |  | 3 | 8 |
Provision (Credit) |  |  |  |  |  |  |  |  | (43) | 93 |
Ending Balance | 691 |  |  |  | 768 |  |  |  | 691 | 768 | 667
Ending balance: individually evaluated for impairment | 21 |  |  |  |  |  |  |  | 21 |  |
Ending balance: collectively evaluated for impairment | 670 |  |  |  | 768 |  |  |  | 670 | 768 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 111,949 |  |  |  | 108,616 |  |  |  | 111,949 | 108,616 |
Ending balance: individually evaluated for impairment | 691 |  |  |  |  |  |  |  | 691 |  |
Ending balance: collectively evaluated for impairment | 111,258 |  |  |  | 108,616 |  |  |  | 111,258 | 108,616 |
Commercial Real Estate [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 3,217 |  |  |  | 3,149 | 3,217 | 3,149 |
Charge Offs |  |  |  |  |  |  |  |  |  | (16) |
Recoveries |  |  |  |  |  |  |  |  | 11 | 10 |
Provision (Credit) |  |  |  |  |  |  |  |  | 406 | 74 |
Ending Balance | 3,634 |  |  |  | 3,217 |  |  |  | 3,634 | 3,217 | 3,149
Ending balance: collectively evaluated for impairment | 3,634 |  |  |  | 3,217 |  |  |  | 3,634 | 3,217 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 550,082 |  |  |  | 419,131 |  |  |  | 550,082 | 419,131 |
Ending balance: individually evaluated for impairment | 299 |  |  |  | 194 |  |  |  | 299 | 194 |
Ending balance: collectively evaluated for impairment | 549,783 |  |  |  | 418,937 |  |  |  | 549,783 | 418,937 |
Commercial and Industrial [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 1,305 |  |  |  | 1,546 | 1,305 | 1,546 |
Charge Offs |  |  |  |  |  |  |  |  | (215) | (142) |
Recoveries |  |  |  |  |  |  |  |  | 22 | 13 |
Provision (Credit) |  |  |  |  |  |  |  |  | 615 | (112) |
Ending Balance | 1,727 |  |  |  | 1,305 |  |  |  | 1,727 | 1,305 | 1,546
Ending balance: individually evaluated for impairment | 142 |  |  |  | 5 |  |  |  | 142 | 5 |
Ending balance: collectively evaluated for impairment | 1,585 |  |  |  | 1,300 |  |  |  | 1,585 | 1,300 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 144,009 |  |  |  | 127,752 |  |  |  | 144,009 | 127,752 |
Ending balance: individually evaluated for impairment | 1,209 |  |  |  | 1,103 |  |  |  | 1,209 | 1,103 |
Ending balance: collectively evaluated for impairment | 142,694 |  |  |  | 126,649 |  |  |  | 142,694 | 126,649 |
Ending balance: loans acquired with deteriorated credit quality | 106 |  |  |  |  |  |  |  | 106 |  |
Consumer [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 484 |  |  |  | 441 | 484 | 441 |
Charge Offs |  |  |  |  |  |  |  |  | (491) | (359) |
Recoveries |  |  |  |  |  |  |  |  | 120 | 114 |
Provision (Credit) |  |  |  |  |  |  |  |  | 438 | 288 |
Ending Balance | 551 |  |  |  | 484 |  |  |  | 551 | 484 | 441
Ending balance: individually evaluated for impairment | 4 |  |  |  |  |  |  |  | 4 |  |
Ending balance: collectively evaluated for impairment | 547 |  |  |  | 484 |  |  |  | 547 | 484 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
FINANCING RECEIVABLES: |  |  |  |  |  |  |  |  |  |  |
Ending balance | 49,409 |  |  |  | 42,055 |  |  |  | 49,409 | 42,055 |
Ending balance: individually evaluated for impairment | 33 |  |  |  |  |  |  |  | 33 |  |
Ending balance: collectively evaluated for impairment | 49,376 |  |  |  | 42,055 |  |  |  | 49,376 | 42,055 |
Unallocated [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 504 |  |  |  | 478 | 504 | 478 |
Provision (Credit) |  |  |  |  |  |  |  |  | (504) | 26 |
Ending Balance |  |  |  |  | 504 |  |  |  |  | 504 | 478
Ending balance: collectively evaluated for impairment |  |  |  |  | 504 |  |  |  |  | 504 |
Ending balance: loans acquired with deteriorated credit quality | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Unfunded Loan Commitment & Letters of Credit [Member] |  |  |  |  |  |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 274 |  |  |  | $ 227 | 274 | 227 |
Other Non-interest expense related to unfunded |  |  |  |  |  |  |  |  | 205 | 47 |
Ending Balance | 479 |  |  |  | 274 |  |  |  | 479 | 274 | $ 227
Ending balance: collectively evaluated for impairment | 479 |  |  |  | 274 |  |  |  | 479 | 274 |
Ending balance: loans acquired with deteriorated credit quality | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 |

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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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