Investment Securities, Proceeds from Sales and Calls of Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Proceeds from sales and calls of securities [Abstract]
Gross proceeds	$ 301,320	$ 5,080	$ 5,300
Gross gains	5,570	40	1
Gross losses	$ 3,016	$ 0	$ 0