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Note 7 - Loans Receivable and Credit Disclosures - Past Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Loans receivable |  | $ 1,143,436 | $ 1,147,577
Financing receivable, recorded investment, 90 days past due and still accruing |  | 4 | 39
Construction Real Estate [Member] |  |  |
Loans receivable |  | 46,164 | 45,497
Financing receivable, recorded investment, 90 days past due and still accruing |  | 0 | 0
Family Residential Real Estate 1-4 [Member] |  |  |
Loans receivable |  | 226,683 | 213,562
Financing receivable, recorded investment, 90 days past due and still accruing |  | 4 | 6
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans receivable |  | 498,561 | 496,357
Financing receivable, recorded investment, 90 days past due and still accruing |  | 0 | 0
Agriculture Real Estate [Member] |  |  |
Loans receivable |  | 152,157 | 151,992
Financing receivable, recorded investment, 90 days past due and still accruing |  | 0 | 0
Commercial Portfolio Segment [Member] |  |  |
Loans receivable | [1] | 106,016 | 122,535
Financing receivable, recorded investment, 90 days past due and still accruing |  | 0 | 3
Agriculture [Member] |  |  |
Loans receivable |  | 98,233 | 102,586
Financing receivable, recorded investment, 90 days past due and still accruing |  | 0 | 30
Consumer and Other [Member] |  |  |
Loans receivable |  | 15,622 | 15,048
Financing receivable, recorded investment, 90 days past due and still accruing |  | 0 | 0
Financing Receivables 30 to 89 Days Past Due [Member] |  |  |
Loans receivable |  | 4,811 | 2,798
Financing Receivables 30 to 89 Days Past Due [Member] | Construction Real Estate [Member] |  |  |
Loans receivable |  | 0 | 169
Financing Receivables 30 to 89 Days Past Due [Member] | Family Residential Real Estate 1-4 [Member] |  |  |
Loans receivable |  | 791 | 1,523
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans receivable |  | 2,525 | 152
Financing Receivables 30 to 89 Days Past Due [Member] | Agriculture Real Estate [Member] |  |  |
Loans receivable |  | 577 | 574
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans receivable |  | 828 | 283
Financing Receivables 30 to 89 Days Past Due [Member] | Agriculture [Member] |  |  |
Loans receivable |  | 67 | 79
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer and Other [Member] |  |  |
Loans receivable |  | 23 | 18
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans receivable |  | 408 | 2,494
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Real Estate [Member] |  |  |
Loans receivable |  | 0 | 167
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Family Residential Real Estate 1-4 [Member] |  |  |
Loans receivable |  | 103 | 176
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans receivable |  | 0 | 56
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Agriculture Real Estate [Member] |  |  |
Loans receivable |  | 0 | 1,618
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans receivable |  | 6 | 3
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Agriculture [Member] |  |  |
Loans receivable |  | 294 | 458
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer and Other [Member] |  |  |
Loans receivable |  | 5 | 16
Financial Asset, Past Due [Member] |  |  |
Loans receivable |  | 5,219 | 5,292
Financial Asset, Past Due [Member] | Construction Real Estate [Member] |  |  |
Loans receivable |  | 0 | 336
Financial Asset, Past Due [Member] | Family Residential Real Estate 1-4 [Member] |  |  |
Loans receivable |  | 894 | 1,699
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans receivable |  | 2,525 | 208
Financial Asset, Past Due [Member] | Agriculture Real Estate [Member] |  |  |
Loans receivable |  | 577 | 2,192
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans receivable |  | 834 | 286
Financial Asset, Past Due [Member] | Agriculture [Member] |  |  |
Loans receivable |  | 361 | 537
Financial Asset, Past Due [Member] | Consumer and Other [Member] |  |  |
Loans receivable |  | 28 | 34
Financial Asset, Not Past Due [Member] |  |  |
Loans receivable |  | 1,138,217 | 1,142,285
Financial Asset, Not Past Due [Member] | Construction Real Estate [Member] |  |  |
Loans receivable |  | 46,164 | 45,161
Financial Asset, Not Past Due [Member] | Family Residential Real Estate 1-4 [Member] |  |  |
Loans receivable |  | 225,789 | 211,863
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans receivable |  | 496,036 | 496,149
Financial Asset, Not Past Due [Member] | Agriculture Real Estate [Member] |  |  |
Loans receivable |  | 151,580 | 149,800
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans receivable |  | 105,182 | 122,249
Financial Asset, Not Past Due [Member] | Agriculture [Member] |  |  |
Loans receivable |  | 97,872 | 102,049
Financial Asset, Not Past Due [Member] | Consumer and Other [Member] |  |  |
Loans receivable |  | $ 15,594 | $ 15,014
[1] | Commercial loan portfolio includes $37.6 million and $50.9 million of Paycheck Protection Program ("PPP") loans as of June 30, 2021 and December 31, 2020, respectively.

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