Equity-Based Compensation (Summary Of GP Fund Interests) (Details) (Predecessor General Partnership Funded Interest [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 21, 2010
Predecessor Compensation Plan [Line Items]
Nonvested percentage of interest granted, beginning balance	72.82%
Granted	22.05%
Vested	(10.92%)
Forfeited	0.00%
Nonvested percentage of interest granted, Ending balance	94.87%
Nonvested weighted average grant date fair value per 1%, Beginning balance	$ 57,512
Granted	88,206
Nonvested weighted average grant date fair value Per 1%, Ending balance	$ 145,718
Excluding Vested Percentage [Member]
Predecessor Compensation Plan [Line Items]
Nonvested percentage of interest granted, Ending balance	83.95%