Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 28,362	$ 7,430	$ 62,011	$ 23,551
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on available for sale securities arising during the period	5,206	24,625	(3,484)	3,803
Change in minimum pension liability	0	1,126	0	2,038
Change in joint beneficiary agreements	0	0	(629)	0
Other comprehensive income (loss)	5,206	25,751	(4,113)	5,841
Comprehensive income	$ 33,568	$ 33,181	$ 57,898	$ 29,392