Note 4 - Securities (Details Textual) Pure in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
|
Sep. 30, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
|
| Debt Securities, Available-for-sale, Transfer to Held-to-maturity | $ 261,300 | |
| Debt Securities, Available-for-sale, Transfer to Held-to-maturity, Accumulated Realized Gain (Loss) in Other Comprehensive Income | 5,600 | |
| Pledged Financial Instruments, Not Separately Reported, Securities, Total | $ 536,000 | $ 477,600 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 0 | |
| Available for Sale Securities Debt Securities, Number of Positions | 0 | |
| Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance | $ 0 |
| X | ||||||||||
- Definition The number of positions in available for sale debt securities held by the company. No definition available.
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| X | ||||||||||
- Definition Amount of available for sale debt securities transferred to held-to-maturity. No definition available.
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| X | ||||||||||
- Definition The amount of accumulated realized gain (loss) in other comprehensive income from transfer of available for sale debt securities transferred to held to maturity. No definition available.
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| X | ||||||||||
- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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