Benefit Plans - Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan
Amounts arising during the year:
Net (gain) loss on pension assets	$ 24,047	$ 3,581	$ (4,839)
Net loss (gain) on pension obligations	(38,949)	(4,614)	14,935
Reclassification adjustments recognized as components of net periodic benefit cost during the year:
Net (gain) loss	(5,643)	(6,961)	(5,806)
Amount recognized in other comprehensive (loss) income	(20,545)	(7,994)	4,290
Other Benefits
Amounts arising during the year:
Net loss (gain) on pension obligations	(5,808)	(2,074)	303
Reclassification adjustments recognized as components of net periodic benefit cost during the year:
Net (gain) loss	497	48	211
Prior service credit			51
Amount recognized in other comprehensive (loss) income	$ (5,311)	$ (2,026)	$ 565