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Investment Securities - Schedule of Proceeds from Sales or Calls and Realized Gain and Losses of Available-for-sale Investment Securities and Other Securities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Proceeds from Sale, Maturity and Collection of Investments [Abstract]      
Proceeds from sales of investment securities available-for-sale $ 198,886 $ 299,885 $ 424,140
Proceeds from calls of available-for-sale debt securities 158,818 465,179 441,851
Total 357,704 765,064 865,991
Realized gains on sales of available-for-sale debt securities 4,188 11,172 4,620
Realized gains on calls of available-for-sale debt securities 317 121 93
Realized losses on sales of available-for-sale debt securities (145) (500) (2,760)
Realized losses on calls of available-for-sale debt securities (33) (26) (30)
Debt securities gains (losses), net $ 4,327 $ 10,767 $ 1,923