Condensed Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 30,590	$ 37,338	$ 91,315	$ 89,076
Other comprehensive income loss, net of tax:
Unrealized losses on available for sale securities arising during the period	(44,040)	(76,740)	(31,511)	(223,748)
Change in minimum pension liability	0	0	0	58
Other comprehensive loss	(44,040)	(76,740)	(31,511)	(223,690)
Comprehensive income (loss)	$ (13,450)	$ (39,402)	$ 59,804	$ (134,614)