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Note 7 - Loans Receivable and Credit Disclosures - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Balance | $ 16,621 | $ 17,215
Provision (credit) for loan losses | (127) | (426)
Recoveries of loans charged-off | 3 | 269
Loans charged-off | (13) | (151)
Balance | 16,484 | 16,907
Construction Real Estate [Member] |  |
Balance | 675 | 725
Provision (credit) for loan losses | (30) | 143
Recoveries of loans charged-off | 0 | 0
Loans charged-off | 0 | 0
Balance | 645 | 868
Family Residential Real Estate 1-4 [Member] |  |
Balance | 2,752 | 2,581
Provision (credit) for loan losses | 150 | (431)
Recoveries of loans charged-off | 1 | 263
Loans charged-off | (4) | (30)
Balance | 2,899 | 2,383
Commercial Real Estate Portfolio Segment [Member] |  |
Balance | 8,406 | 8,930
Provision (credit) for loan losses | (92) | 118
Recoveries of loans charged-off | 0 | 1
Loans charged-off | 0 | 0
Balance | 8,314 | 9,049
Agriculture Real Estate [Member] |  |
Balance | 1,584 | 1,595
Provision (credit) for loan losses | 46 | (97)
Recoveries of loans charged-off | 0 | 0
Loans charged-off | 0 | 0
Balance | 1,630 | 1,498
Commercial Portfolio Segment [Member] |  |
Balance | 1,170 | 1,453
Provision (credit) for loan losses | (19) | (79)
Recoveries of loans charged-off | 1 | 1
Loans charged-off | 0 | (113)
Balance | 1,152 | 1,262
Agriculture [Member] |  |
Balance | 1,836 | 1,696
Provision (credit) for loan losses | (230) | (82)
Recoveries of loans charged-off | 0 | 0
Loans charged-off | 0 | 0
Balance | 1,606 | 1,614
Consumer and Other [Member] |  |
Balance | 198 | 235
Provision (credit) for loan losses | 48 | 2
Recoveries of loans charged-off | 1 | 4
Loans charged-off | (9) | (8)
Balance | $ 238 | $ 233

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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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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)(3) -URI https://asc.fasb.org/extlink&oid=123577603&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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI https://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 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 https://asc.fasb.org/extlink&oid=123577603&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 https://asc.fasb.org/extlink&oid=121614798&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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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