Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Consolidated Statements of Comprehensive (Loss) Income
Net income	$ 4,455	$ 7,399	$ 18,839	$ 23,246
Available-for-sale debt securities:
Unrealized holding losses on available-for-sale debt securities	(25,880)	(3,608)	(77,923)	(6,781)
Reclassification adjustment for gains realized in income	(20)	(23)	(21)	(25)
Other comprehensive loss on available-for-sale debt securities	(25,900)	(3,631)	(77,944)	(6,806)
Unfunded pension and postretirement obligations:
Changes from plan amendments and actuarial gains and losses	0	0	133	(5)
Amortization of prior service cost and net actuarial loss included in net periodic benefit cost	(9)	(5)	(31)	(13)
Other comprehensive (loss) income on pension and postretirement obligations	(9)	(5)	102	(18)
Other comprehensive loss before income tax	(25,909)	(3,636)	(77,842)	(6,824)
Income tax related to other comprehensive loss	5,442	765	16,347	1,434
Net other comprehensive loss	(20,467)	(2,871)	(61,495)	(5,390)
Comprehensive (loss) income	$ (16,012)	$ 4,528	$ (42,656)	$ 17,856