Summary Of Significant Accounting Policies (Reorganization Expenses) (Details) - USD ($) $ in Thousands		1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 02, 2021	Feb. 02, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary Of Significant Accounting Policies [Line Items]
Write-off of deferred financing costs related to the Delayed-Draw Term Loan	$ (12,000)	$ (12,000)
Total reorganization items, net		$ 335,560	$ 0	$ 335,600	$ (19,520)	$ 0