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Note 3 - Loans and Allowance for Loan Losses - Allowance for Loan Losses and Balance in the Loan Portfolio (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Beginning balance | $ 7,593 | $ 4,057 | $ 4,673
Charge-offs | (676) | (754) | (989)
Recoveries | 355 | 290 | 373
Provision | 416 | 4,000 | 0
Ending balance | 7,688 | 7,593 | 4,057
Individually evaluated for impairment | 503 | 431 | 355
Collectively evaluated for impairment | 7,185 | 7,162 | 3,702
Individually evaluated for impairment | 5,433 | 7,851 | 5,922
Collectively evaluated for impairment | 994,248 | 1,039,745 | 788,397
Acquired with deteriorated credit quality | 17,167 | 22,072 | 7,729
Loans | 1,016,848 | 1,069,668 | 802,048
Agricultural [Member] |  |  |
Beginning balance | 257 | 471 | 481
Charge-offs | 0 | (15) | 0
Recoveries | 0 | 0 | 65
Provision | 191 | (199) | (75)
Ending balance | 448 | 257 | 471
Individually evaluated for impairment | 251 | 0 | 103
Collectively evaluated for impairment | 197 | 257 | 368
Individually evaluated for impairment | 2,616 | 348 | 924
Collectively evaluated for impairment | 62,203 | 53,387 | 56,415
Acquired with deteriorated credit quality | 0 | 0 | 0
Loans | 64,819 | 53,735 | 57,339
Commercial and Industrial [Member] |  |  |
Beginning balance | 1,327 | 655 | 892
Charge-offs | (195) | (148) | (83)
Recoveries | 86 | 57 | 22
Provision | 236 | 763 | (176)
Ending balance | 1,454 | 1,327 | 655
Individually evaluated for impairment | 95 | 19 | 0
Collectively evaluated for impairment | 1,359 | 1,308 | 655
Individually evaluated for impairment | 339 | 1,663 | 259
Collectively evaluated for impairment | 197,656 | 295,154 | 141,583
Acquired with deteriorated credit quality | 5,029 | 6,710 | 6,241
Loans | 203,024 | 303,527 | 148,083
Consumer Portfolio Segment [Member] |  |  |
Beginning balance | 317 | 270 | 254
Charge-offs | (370) | (329) | (292)
Recoveries | 214 | 204 | 136
Provision | 129 | 172 | 172
Ending balance | 290 | 317 | 270
Individually evaluated for impairment | 2 | 1 | 4
Collectively evaluated for impairment | 288 | 316 | 266
Individually evaluated for impairment | 14 | 8 | 17
Collectively evaluated for impairment | 35,148 | 33,982 | 38,524
Acquired with deteriorated credit quality | 12 | 24 | 313
Loans | 35,174 | 34,014 | 38,854
Commercial Real Estate Portfolio Segment [Member] |  |  |
Beginning balance | 4,178 | 1,663 | 1,926
Charge-offs | (111) | (254) | (589)
Recoveries | 48 | 10 | 26
Provision | (410) | 2,759 | 300
Ending balance | 3,705 | 4,178 | 1,663
Individually evaluated for impairment | 9 | 157 | 13
Collectively evaluated for impairment | 3,696 | 4,021 | 1,650
Individually evaluated for impairment | 273 | 3,032 | 2,288
Collectively evaluated for impairment | 515,528 | 453,681 | 323,358
Acquired with deteriorated credit quality | 10,083 | 12,534 | 733
Loans | 525,884 | 469,247 | 326,379
Construction Real Estate [Member] |  |  |
Beginning balance | 97 | 76 | 38
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Provision | 13 | 21 | 38
Ending balance | 110 | 97 | 76
Individually evaluated for impairment | 0 | 0 | 0
Collectively evaluated for impairment | 110 | 97 | 76
Individually evaluated for impairment | 0 | 80 | 0
Collectively evaluated for impairment | 19,066 | 16,559 | 13,411
Acquired with deteriorated credit quality | 0 | 0 | 0
Loans | 19,066 | 16,639 | 13,411
Residential Portfolio Segment [Member] |  |  |
Beginning balance | 1,300 | 640 | 537
Charge-offs | 0 | (8) | (25)
Recoveries | 7 | 19 | 124
Provision | (636) | 649 | 4
Ending balance | 671 | 1,300 | 640
Individually evaluated for impairment | 146 | 254 | 235
Collectively evaluated for impairment | 525 | 1,046 | 405
Individually evaluated for impairment | 2,191 | 2,720 | 2,434
Collectively evaluated for impairment | 164,647 | 186,982 | 215,106
Acquired with deteriorated credit quality | 2,043 | 2,804 | 442
Loans | 168,881 | 192,506 | 217,982
Unallocated Financing Receivables [Member] |  |  |
Beginning balance | 117 | 282 | 545
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Provision | 893 | (165) | (263)
Ending balance | 1,010 | 117 | 282
Individually evaluated for impairment | 0 | 0 | 0
Collectively evaluated for impairment | $ 1,010 | $ 117 | $ 282

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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