Summary of Significant Accounting Policies (Schedule of Other, Net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Interest and dividend income	$ 23,491	$ 8,627	$ 1,920
Change in derivative associated with guarantee	0	2,646	0
Expense related to Tax Disaffiliation indemnification	0	(589)	0
Net gains (losses) recognized on investment securities	2,594	(7,980)	9,384
Net periodic benefit cost other than the service costs	(1,353)	(944)	(975)
Other income	1,387	986	358
Other, net	$ 26,119	$ 2,746	$ 10,687