Statement Of Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]
Interest paid, net of interest capitalized	$ 20,719	$ 15,943	$ 1,909
Income Taxes Paid	8,310	$ 7,434	$ 8,856
Tax refunds related to the CARES Act	$ 18,900