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Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Statement [Abstract]        
Securities transactions accumulated other comprehensive income reclassifications $ 0 $ 0 $ 0 $ 0
Unrealized (loss) gain on securities, tax $ 335,000 $ 1,000 $ (1,756,000) $ (1,979,000)