Leases (Operating Lease Expense) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Feb. 02, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Long-term fixed lease expense	$ 1,824	$ 3,654	$ 4,124	$ 9,413	$ 14,379
Long-term variable lease expense	19				7
Short-term lease expense	789	2,715	865	6,061	2,740
Total operating lease expense	$ 2,632	$ 6,369	$ 4,989	$ 15,474	$ 17,126