Supplemental Financial Statement Information (Other Expense, Net) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Income and Expenses [Abstract]
Loss on debt refinancing	$ 51,394	$ 36,987
Insurance proceeds	0	(3,500)
Other expense, net	$ 51,394	$ 33,487