Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Summary Of Unit-Based Awards

	Number of			Number of
	Unvested	Weighted		Unvested	Weighted
	Service	Average		Performance	Average
	Restricted	Grant-Date		Restricted	Grant-Date
	Units	Fair Value		Units	Fair Value
Unvested units, December 22, 2010	-	$	-	-	$	-
Granted	148		20.03	-		-
Forfeited	-		-	-		-
Vested	-		-	-		-
Unvested units, December 31, 2010	148	$	20.03	-	$	-
Granted	215		20.51	-		-
Forfeited	(39)		20.75	-		-
Vested	(53)		20.31	-		-
Unvested units, December 31, 2011	271	$	20.26	-	$	-
Granted	437		18.22	121		10.35
Forfeited	(61)		19.47	(3)		10.45
Vested	(97)		20.05	-		-
Unvested units, December 31, 2012	550	$	18.80	118	$	10.34

Predecessor General Partnership Funded Interest [Member]

Summary of Award Interests

			Weighted
			Average
	% of		Grant Date
	Interest		Fair Value
	Granted		Per 1%
Nonvested GP Funded Interests as of December 31, 2009	72.82	%	$	57,512
Granted	22.05	%		88,206
Forfeited	0.00	%		-
Nonvested GP Funded Interests as of December 21, 2010	94.87	%	$	145,718

Nonvested GP Funded Interests as of December 31, 2009	72.82	%
Granted	22.05	%
Vested	(10.92)	%
Forfeited	0.00	%
Nonvested GP Funded Interests as of December 21, 2010	83.95	%

Predecessor General Partner Promote Interest [Member]

Summary of Award Interests

			Weighted
			Average
	% of		Grant Date
	Interest		Fair Value
	Granted		Per 1%
Nonvested GP Promote Interests as of December 31, 2009	78.83	%	$	71,534
Granted	17.45	%		97,544
Forfeited	0.00	%		-
Nonvested GP Promote Interests as of December 21, 2010	96.28	%	$	169,078

Nonvested GP Promote Interests as of December 31, 2009	78.83	%
Granted	17.45	%
Vested	(10.92)	%
Forfeited	0.00	%
Nonvested GP Promote Interests as of December 21, 2010	85.36	%

Predecessor Purchase/Carry Interests [Member]

Summary of Award Interests

			Weighted
			Average
	% of		Grant Date
	Interest		Fair Value
	Granted		Per 1%
Nonvested Purchase/Carry Interests as of December 31, 2009	100.00	%	$	13,278
Granted	0.00	%		-
Forfeited	0.00	%		-
Nonvested Purchase/Carry Interests as of December 21, 2010	100.00	%	$	13,278

Nonvested Purchase/Carry Interests as of December 31, 2009	100.00	%
Vested	(7.50)	%
Forfeited	0.00	%
Nonvested Purchase/Carry Interests as of December 21, 2010	92.50	%