Supplemental Balance Sheet, Income Statement and Cash Flow Information - Acquisitions of Businesses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental cash flow information
Cash paid for income taxes	$ 11,221		$ 6,553
Cash received from income tax refund		$ 17,505
Cash paid for interest, net of capitalized interest	161,932	157,437	174,357
Net change in accounts payable related to capital expenditures	$ 9,713	$ (1,188)	(7,624)
Acquisitions of businesses:
Fair value of assets acquired			2,929
Cash paid for acquisitions of businesses			2,929
Cash paid for acquisition of businesses, net of cash acquired			$ (2,929)