Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]
Finance Lease Obligations	$ 37,860	$ 5,283	$ 16,615
Capital Expenditures Incurred but Not yet Paid	236,000	30,682	8,188
Extinguishment of Debt	0	0	20,009
Non-cash acquisitions and related deferred taxes	0	5,295	5,973
Non-cash Permit contingent consideration	118,777	0	0
Interest Paid	19,655	20,634	24,428
Income Taxes Paid	$ 57,200	$ 35,600	$ 33,700