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LOANS AND RELATED ALLOWANCE FOR LOAN LOSSES, Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | $ 15,815 |  |  |  | $ 13,845 | $ 15,815 | $ 13,845 | $ 12,884
Charge-offs |  |  |  |  |  |  |  |  | (214) | (533) | (757)
Recoveries |  |  |  |  |  |  |  |  | 153 | 103 | 43
Provision | $ 0 | $ 400 | $ 500 | 650 | $ 900 | $ 550 | $ 550 | 400 | 1,550 | 2,400 | 1,675
Balance at end of period | 17,304 |  |  |  | 15,815 |  |  |  | 17,304 | 15,815 | 13,845
Individually evaluated for impairment | 121 |  |  |  | 510 |  |  |  | 121 | 510 | 735
Collectively evaluated for impairment | 17,183 |  |  |  | 15,305 |  |  |  | 17,183 | 15,305 | 13,110
Real Estate Loans [Member] | Residential [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 1,174 |  |  |  | 1,114 | 1,174 | 1,114 | 1,105
Charge-offs |  |  |  |  |  |  |  |  | 0 | 0 | (32)
Recoveries |  |  |  |  |  |  |  |  | 0 | 14 | 0
Provision |  |  |  |  |  |  |  |  | (27) | 46 | 41
Balance at end of period | 1,147 |  |  |  | 1,174 |  |  |  | 1,147 | 1,174 | 1,114
Individually evaluated for impairment | 12 |  |  |  | 18 |  |  |  | 12 | 18 | 32
Collectively evaluated for impairment | 1,135 |  |  |  | 1,156 |  |  |  | 1,135 | 1,156 | 1,082
Real Estate Loans [Member] | Commercial [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 6,216 |  |  |  | 4,549 | 6,216 | 4,549 | 4,115
Charge-offs |  |  |  |  |  |  |  |  | (54) | (435) | (578)
Recoveries |  |  |  |  |  |  |  |  | 89 | 37 | 0
Provision |  |  |  |  |  |  |  |  | 1,848 | 2,065 | 1,012
Balance at end of period | 8,099 |  |  |  | 6,216 |  |  |  | 8,099 | 6,216 | 4,549
Individually evaluated for impairment | 61 |  |  |  | 95 |  |  |  | 61 | 95 | 251
Collectively evaluated for impairment | 8,038 |  |  |  | 6,121 |  |  |  | 8,038 | 6,121 | 4,298
Real Estate Loans [Member] | Agricultural [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 4,953 |  |  |  | 5,022 | 4,953 | 5,022 | 4,264
Charge-offs |  |  |  |  |  |  |  |  | 0 | (4) | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 19 | 0
Provision |  |  |  |  |  |  |  |  | (224) | (84) | 758
Balance at end of period | 4,729 |  |  |  | 4,953 |  |  |  | 4,729 | 4,953 | 5,022
Individually evaluated for impairment | 14 |  |  |  | 83 |  |  |  | 14 | 83 | 151
Collectively evaluated for impairment | 4,715 |  |  |  | 4,870 |  |  |  | 4,715 | 4,870 | 4,871
Real Estate Loans [Member] | Construction [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 122 |  |  |  | 43 | 122 | 43 | 58
Charge-offs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision |  |  |  |  |  |  |  |  | 312 | 79 | (15)
Balance at end of period | 434 |  |  |  | 122 |  |  |  | 434 | 122 | 43
Individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Collectively evaluated for impairment | 434 |  |  |  | 122 |  |  |  | 434 | 122 | 43
Consumer [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 321 |  |  |  | 112 | 321 | 112 | 120
Charge-offs |  |  |  |  |  |  |  |  | (27) | (50) | (49)
Recoveries |  |  |  |  |  |  |  |  | 21 | 21 | 33
Provision |  |  |  |  |  |  |  |  | (53) | 238 | 8
Balance at end of period | 262 |  |  |  | 321 |  |  |  | 262 | 321 | 112
Individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Collectively evaluated for impairment | 262 |  |  |  | 321 |  |  |  | 262 | 321 | 112
Other Commercial Loans [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 1,226 |  |  |  | 1,255 | 1,226 | 1,255 | 1,354
Charge-offs |  |  |  |  |  |  |  |  | (133) | (44) | (38)
Recoveries |  |  |  |  |  |  |  |  | 43 | 12 | 10
Provision |  |  |  |  |  |  |  |  | (113) | 3 | (71)
Balance at end of period | 1,023 |  |  |  | 1,226 |  |  |  | 1,023 | 1,226 | 1,255
Individually evaluated for impairment | 34 |  |  |  | 170 |  |  |  | 34 | 170 | 147
Collectively evaluated for impairment | 989 |  |  |  | 1,056 |  |  |  | 989 | 1,056 | 1,108
Other Agricultural Loans [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 864 |  |  |  | 961 | 864 | 961 | 752
Charge-offs |  |  |  |  |  |  |  |  | 0 | 0 | (60)
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision |  |  |  |  |  |  |  |  | (306) | (97) | 269
Balance at end of period | 558 |  |  |  | 864 |  |  |  | 558 | 864 | 961
Individually evaluated for impairment | 0 |  |  |  | 144 |  |  |  | 0 | 144 | 154
Collectively evaluated for impairment | 558 |  |  |  | 720 |  |  |  | 558 | 720 | 807
State and Political Subdivision Loans [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 479 |  |  |  | 536 | 479 | 536 | 762
Charge-offs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision |  |  |  |  |  |  |  |  | (198) | (57) | (226)
Balance at end of period | 281 |  |  |  | 479 |  |  |  | 281 | 479 | 536
Individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Collectively evaluated for impairment | 281 |  |  |  | 479 |  |  |  | 281 | 479 | 536
Unallocated [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | $ 460 |  |  |  | $ 253 | 460 | 253 | 354
Charge-offs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision |  |  |  |  |  |  |  |  | 311 | 207 | (101)
Balance at end of period | 771 |  |  |  | 460 |  |  |  | 771 | 460 | 253
Individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Collectively evaluated for impairment | $ 771 |  |  |  | $ 460 |  |  |  | $ 771 | $ 460 | $ 253

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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + 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)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) + Details
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