CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Pension and other post retirement obligations:
Amortization of actuarial losses included in net periodic pension cost, gross	$ 220	$ 911
Tax effect	(54)	(219)
Amortization of actuarial losses included in net periodic pension cost, net	166	692
Amortization of prior service cost included in net periodic pension cost, gross	109	50
Tax effect	(26)	(12)
Amortization of prior service cost included in net periodic pension cost, net	83	38
Other comprehensive income related to pension and other post retirement obligations, net of taxes	249	730
Unrealized losses on available-for-sale securities:
Net unrealized losses arising during period, gross	(358,759)	(227,427)
Tax effect	87,143	54,663
Net unrealized losses arising during period, net	(271,616)	(172,764)
Other comprehensive loss related to unrealized losses on available-for-sale securities, net of taxes	(271,616)	(172,764)
Other comprehensive loss, net of tax	(271,367)	(172,034)
Net income	47,055	52,850
Comprehensive loss	(224,312)	$ (119,184)
Accumulated Other Comprehensive Loss By Component:
Unrealized loss for pension and other post-retirement obligations	(20,295)		$ (20,624)
Tax effect	5,074		5,154
Net unrealized loss for pension and other post-retirement obligations	(15,221)		(15,470)
Unrealized loss on available-for-sale securities	(404,652)		(45,893)
Tax effect	97,879		10,736
Net unrealized loss on available-for-sale securities	(306,773)		(35,157)
Accumulated other comprehensive loss	$ (321,994)		$ (50,627)