Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 20,374	$ 33,649
Other comprehensive loss, net of tax:
Unrealized losses on available for sale securities arising during the period	(78,397)	(8,690)
Change in minimum pension liability	58	0
Change in joint beneficiary agreements	0	(629)
Other comprehensive loss	(78,339)	(9,319)
Comprehensive income (loss)	$ (57,965)	$ 24,330