Segment Information (Revenue By Geographic Area) (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, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 45,928	$ 178,583	$ 135,976	$ 450,318	$ 450,318	$ 521,797	$ 521,797
Long-lived assets	540,850	403,473		403,473	403,473	403,473		$ 408,107
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	23,863	84,017	64,148		218,110		272,895
Long-lived assets		261,774		261,774	261,774	261,774		253,114
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 22,065	94,566	$ 71,828	232,207	232,208	94,565	$ 248,902
Long-lived assets		$ 141,699		$ 141,699	$ 141,699	$ 141,699		$ 154,993