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Note 4 - Loan Receivables and Allowance for Loan and Lease Losses - Recorded Investment in TDRs (Details) $ in Thousands | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | ---
Number of contracts | 9 | 11
Recorded investment | $ 14,497 | $ 15,886
TDRs included in non-accrual loans | $ (14,497) | $ (15,886)
Non-Accrual Loans [Member] |  |
Number of contracts | 4 | 6
Recorded investment | $ 10,120 | $ 11,508
TDRs included in non-accrual loans | $ (10,120) | $ (11,508)
Accrual Loans [Member] |  |
Number of contracts | 5 | 5
Recorded investment | $ 4,377 | $ 4,378
TDRs included in non-accrual loans | $ (4,377) | $ (4,378)
Commercial Real Estate Portfolio Segment [Member] |  |
Number of contracts | 1 | 2
Recorded investment | $ 8,811 | $ 9,884
TDRs included in non-accrual loans | $ (8,811) | $ (9,884)
Residential Portfolio Segment [Member] |  |
Number of contracts | 3 | 3
Recorded investment | $ 912 | $ 928
TDRs included in non-accrual loans | $ (912) | $ (928)
Commercial Portfolio Segment [Member] |  |
Number of contracts | 1 | 1
Recorded investment | $ 4,000 | $ 4,000
TDRs included in non-accrual loans | $ (4,000) | $ (4,000)
Consumer Portfolio Segment [Member] |  |
Number of contracts | 4 | 5
Recorded investment | $ 774 | $ 1,074
TDRs included in non-accrual loans | $ (774) | $ (1,074)

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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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