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SECURITIES (Gross Realized Gains and Losses on the Sale of Securities) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Securities [Abstract] |  |  |  |
Gross realized gains | $ 9 | $ 18 | $ 147 | $ 12,522
Gross realized losses | 0 | 0 | (60) | (229)
Gains on securities transactions, net | 9 | 18 | 87 | 12,293
Proceeds from sales of securities | $ 0 | $ 4,675 | $ 45,436 | $ 232,946

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- Definition Amount of realized gain on 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 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
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