Investment Securities - Realized Gains and Losses From Sale of Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Realized Investment Gains (Losses) [Abstract]
Gross gains	$ 2	$ 73	$ 2	$ 77
Gross losses	$ 0	$ 0	$ 0	$ 0