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Note 2 - Securities - Debt Securities by Maturity (Details) - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Due in 2021, Weighted Average Yield | 2.53% |
Due in 2021, Amortized Cost | $ 5,414,000 |
Due in 2021, Fair Value | $ 5,425,000 |
Due in 2022 through 2026, Weighted Average Yield | 1.16% |
Due in 2022 through 2026, Amortized Cost | $ 142,876,000 |
Due in 2022 through 2026, Fair Value | $ 143,569,000 |
Due in 2027 through 2031, Weighted Average Yield | 1.63% |
Due in 2027 through 2031, Amortized Cost | $ 197,842,000 |
Due in 2027 through 2031, Fair Value | $ 195,378,000 |
Due in 2032 and beyond, Weighted Average Yield | 2.02% |
Due in 2032 and beyond, Amortized Cost | $ 54,638,000 |
Due in 2032 and beyond, Fair Value | $ 53,577,000 |
Total available for sale securities, Weighted Average Yield | 1.55% |
Total available for sale securities, Amortized Cost | $ 436,481,000 | $ 380,403,000
Debt Securities, Available-for-sale, Total | $ 434,257,000 | 387,347,000
Collateralized Mortgage Backed Securities [Member] |  |
No single maturity, weighted average yield | 1.83% |
No single maturity, amortized cost | $ 35,211,000 |
No single maturity, fair value | 35,808,000 |
Total available for sale securities, Amortized Cost | 35,211,000 | 23,869,000
Debt Securities, Available-for-sale, Total | $ 35,808,000 | 24,890,000
Other Debt and Equity Securities [Member] |  |
No single maturity, weighted average yield | 3.75% |
No single maturity, amortized cost | $ 500,000 |
No single maturity, fair value | 500,000 |
Total available for sale securities, Amortized Cost | 500,000 | 500,000
Debt Securities, Available-for-sale, Total | $ 500,000 | $ 500,000

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in first through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in first through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 + Details
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