Annual report pursuant to Section 13 and 15(d)

Investment Securities - Schedule of Sale Proceeds and Gross Realized Gains and Losses on Sale of Securities Available for Sale (Details)

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Investment Securities - Schedule of Sale Proceeds and Gross Realized Gains and Losses on Sale of Securities Available for Sale (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Investments Debt And Equity Securities [Abstract]    
Sale proceeds from sale of available for sale securities $ 34,023 $ 171,260
Gross realized gains 1,031 4,637
Gross realized losses   (55)
Net realized gains (losses) $ 1,031 $ 4,582