Investment Securities - Realized Gains and Losses From Sale of Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Realized Investment Gains (Losses) [Abstract]
Gross gains	$ 3,823	$ 191	$ 3,829	$ 193
Gross losses	$ (434)	$ (112)	$ (492)	$ (112)