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Note 5 - Loans Receivable - Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
% of total segment financing receivables | 0.13% | 0.06%
Financial Asset, Not Past Due [Member] |  |
Modified | $ 889 | $ 868
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Modified | 1,003 | 0
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Modified | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | 0 | 0
Payment Deferral [Member] |  |
Modified | 630 | 0
Extended Maturity [Member] |  |
Modified | 1,262 | 868
Contractual Interest Rate Reduction [Member] |  |
Modified | 0 | 0
Extended Maturity and Interest Rate Reduction [Member] |  |
Modified | $ 0 | $ 0
Residential Portfolio Segment [Member] |  |
% of total segment financing receivables | 0.39% | 0.18%
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Modified | $ 889 | $ 868
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Modified | 1,003 | 0
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Modified | 0 | 0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | 0 | 0
Residential Portfolio Segment [Member] | Payment Deferral [Member] |  |
Modified | 630 | 0
Residential Portfolio Segment [Member] | Extended Maturity [Member] |  |
Modified | 1,262 | 868
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] |  |
Modified | 0 | 0
Residential Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |
Modified | $ 0 | $ 0

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- Definition Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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- Definition Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481746/310-40-50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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- Definition Amount of increase (decrease) in amortized cost of financing receivable modified for debtor experiencing financial difficulty. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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