Debt Securities - Gain or Loss on Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Available-for-sale
Proceeds from sales and calls of debt securities	$ 428,225	$ 188,431	$ 240,521
Gross realized gains	3,357	984	1,400
Gross realized losses	(2,021)	(194)	(262)
Held-to-maturity
Proceeds from calls of debt securities	28,210	48,475	32,735
Gross realized gains	64	3	1
Gross realized losses	$ (780)	$ (1,431)	$ 0