Summary of Significant Accounting Policies - Schedule of Other, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accounting Policies [Abstract]
Interest and dividend income	$ 6,808	$ 2,406	$ 15,659	$ 3,791
Net gains (losses) recognized on investment securities	166	(3,127)	373	(10,296)
Net periodic benefit cost other than the service costs	(337)	(236)	(1,015)	(709)
Other income	470	153	501	2,171
Total other, net	$ 7,107	$ (804)	$ 15,518	$ (5,043)