Accumulated Other Comprehensive Loss (Reclassification) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other income (expense), net	$ 5,136	$ 3,513	$ (592)
Income tax (expense) benefit	(18,147)	(18,544)	(7,807)
Net income	108,133	49,990	$ 47,319
Reclassification out of accumulated other comprehensive income | Amortization/settlement of pension and other postretirement benefits
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Pension settlement charges	0	63
Other income (expense), net	(290)	(315)
Income tax (expense) benefit	65	56
Net income	(225)	(196)
Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) on derivative instrument
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other income (expense), net	0	(3,191)
Income tax (expense) benefit	0	715
Net income	$ 0	$ (2,476)