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Note 7 - Loans Receivable and Credit Disclosures - Loans Receivable Impairment Analysis (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Individually evaluated for impairment |  | $ 12,157 | $ 12,312
Collectively evaluated for impairment |  | 1,134,073 | 1,148,355
Balance |  | 1,146,230 | 1,160,667
Construction Real Estate [Member] |  |  |
Individually evaluated for impairment |  | 0 | 0
Collectively evaluated for impairment |  | 46,140 | 42,638
Balance |  | 46,140 | 42,638
Family Residential Real Estate 1-4 [Member] |  |  |
Individually evaluated for impairment |  | 976 | 980
Collectively evaluated for impairment |  | 255,386 | 245,765
Balance |  | 256,362 | 246,745
Commercial Real Estate Portfolio Segment [Member] |  |  |
Individually evaluated for impairment |  | 9,789 | 9,792
Collectively evaluated for impairment |  | 497,809 | 505,575
Balance |  | 507,598 | 515,367
Agriculture Real Estate [Member] |  |  |
Individually evaluated for impairment |  | 542 | 546
Collectively evaluated for impairment |  | 151,594 | 152,911
Balance |  | 152,136 | 153,457
Commercial Portfolio Segment [Member] |  |  |
Individually evaluated for impairment |  | 262 | 330
Collectively evaluated for impairment |  | 70,888 | 75,152
Balance | [1] | 71,150 | 75,482
Agriculture [Member] |  |  |
Individually evaluated for impairment |  | 564 | 637
Collectively evaluated for impairment |  | 95,633 | 111,244
Balance |  | 96,197 | 111,881
Consumer and Other [Member] |  |  |
Individually evaluated for impairment |  | 24 | 27
Collectively evaluated for impairment |  | 16,623 | 15,070
Balance |  | $ 16,647 | $ 15,097
[1] | Commercial loan portfolio includes $0.3 million and $6.0 million of Paycheck Protection Program ("PPP") loans as of March 31, 2022 and December 31, 2021, respectively.

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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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables 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 (h) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes 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 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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