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Note 3 - Securities - Estimated Fair Value of Available for Sale Securities, by Contractual Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Available for sale securities, due in one year or less, estimated fair value | $ 202 |
Available for sale securities, due in one year or less, tax-equivalent yield | 1.13% |
Available for sale securities, due from one to five years, estimated fair value | $ 3,228 |
Available for sale securities, due from one to five years, tax-equivalent yield | 4.23% |
Available for sale securities, due from five to ten years, estimated fair value | $ 27,336 |
Available for sale securities, due from five to ten years, tax-equivalent yield | 2.47% |
Available for sale securities, due over ten years, estimated fair value | $ 247,800 |
Available for sale securities, due over ten years, tax-equivalent yield | 2.98% |
Collateralized mortgage obligations and residential mortgage-backed securities, estimated fair value | $ 195,361 |
Collateralized mortgage obligations and residential mortgage-backed securities, tax-equivalent yield | 1.69% |
Total securities available-for-sale | $ 473,927 | $ 410,669
Available for sale securities, tax-equivalent yield | 2.43% |

X
- Definition Tax equivalent yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing from fifth through tenth fiscal years following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
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- Definition Tax equivalent yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing from first through fifth fiscal years following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
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- Definition Tax equivalent yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing within first fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + 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 sixth through tenth 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + 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 second 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803 + Details
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