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Note 7 - Loans Receivable and Credit Disclosures - Allowance for Loan Losses Impairment Analysis (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Individually evaluated for impairment | $ 1,005 | $ 1,392
Collectively evaluated for impairment | 14,892 | 15,229
Balance | 15,897 | 16,621
Construction Real Estate [Member] |  |
Individually evaluated for impairment | 0 | 0
Collectively evaluated for impairment | 604 | 675
Balance | 604 | 675
Family Residential Real Estate 1-4 [Member] |  |
Individually evaluated for impairment | 30 | 40
Collectively evaluated for impairment | 2,977 | 2,712
Balance | 3,007 | 2,752
Commercial Real Estate Portfolio Segment [Member] |  |
Individually evaluated for impairment | 874 | 1,139
Collectively evaluated for impairment | 6,995 | 7,267
Balance | 7,869 | 8,406
Agriculture Real Estate [Member] |  |
Individually evaluated for impairment | 0 | 0
Collectively evaluated for impairment | 1,598 | 1,584
Balance | 1,598 | 1,584
Commercial Portfolio Segment [Member] |  |
Individually evaluated for impairment | 0 | 60
Collectively evaluated for impairment | 1,099 | 1,110
Balance | 1,099 | 1,170
Agriculture [Member] |  |
Individually evaluated for impairment | 83 | 132
Collectively evaluated for impairment | 1,418 | 1,704
Balance | 1,501 | 1,836
Consumer and Other [Member] |  |
Individually evaluated for impairment | 18 | 21
Collectively evaluated for impairment | 201 | 177
Balance | $ 219 | $ 198

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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 https://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 https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) Reference 9: 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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