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Condensed Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Other comprehensive income (loss)        
Unrealized gains (losses) on available-for-sale securities, taxes $ 1,282 $ 21 $ 4,655 $ (3,778)
Amortized holding losses on held-to-maturity securities transferred from available-for-sale, taxes 0 (3) 0 (13)
Reclassification adjustment for realized gains included in net income, taxes $ 3 $ 28 $ 26 $ 265