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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, 2021 | Mar. 31, 2020
Balance | $ 17,215 | $ 12,619
Provision (credit) for loan losses | (426) | 2,316
Recoveries of loans charged-off | 269 | 7
Loans charged-off | (151) | (33)
Balance | 16,907 | 14,909
Construction Real Estate [Member] |  |
Balance | 725 | 672
Provision (credit) for loan losses | 143 | 80
Recoveries of loans charged-off | 0 | 1
Loans charged-off | 0 | 0
Balance | 868 | 753
Family Residential Real Estate 1-4 [Member] |  |
Balance | 2,581 | 2,122
Provision (credit) for loan losses | (431) | 214
Recoveries of loans charged-off | 263 | 0
Loans charged-off | (30) | 0
Balance | 2,383 | 2,336
Commercial Real Estate Portfolio Segment [Member] |  |
Balance | 8,930 | 5,362
Provision (credit) for loan losses | 118 | 1,220
Recoveries of loans charged-off | 1 | 1
Loans charged-off | 0 | (31)
Balance | 9,049 | 6,552
Agriculture Real Estate [Member] |  |
Balance | 1,595 | 1,326
Provision (credit) for loan losses | (97) | 237
Recoveries of loans charged-off | 0 | 0
Loans charged-off | 0 | 0
Balance | 1,498 | 1,563
Commercial Portfolio Segment [Member] |  |
Balance | 1,453 | 1,458
Provision (credit) for loan losses | (79) | 212
Recoveries of loans charged-off | 1 | 2
Loans charged-off | (113) | 0
Balance | 1,262 | 1,672
Agriculture [Member] |  |
Balance | 1,696 | 1,478
Provision (credit) for loan losses | (82) | 337
Recoveries of loans charged-off | 0 | 0
Loans charged-off | 0 | 0
Balance | 1,614 | 1,815
Consumer and Other [Member] |  |
Balance | 235 | 201
Provision (credit) for loan losses | 2 | 16
Recoveries of loans charged-off | 4 | 3
Loans charged-off | (8) | (2)
Balance | $ 233 | $ 218

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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=121611835&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 http://asc.fasb.org/extlink&oid=121611835&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 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: 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=121614798&loc=d3e15032-111544 Reference 3: 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=121611835&loc=SL6953423-111524 Reference 4: 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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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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