Partners' Capital, Equity and Incentive Compensation Plans - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	12 Months Ended			12 Months Ended	1 Months Ended	12 Months Ended					12 Months Ended
	Aug. 14, 2013	Dec. 31, 2013 Class	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2013 Chief Executive Officer [Member]	Jan. 31, 2014 Subsequent Event [Member]	Dec. 31, 2013 Common Class A [Member]	Dec. 31, 2013 Class O Units [Member]	Dec. 31, 2013 Class RS Units [Member]	Dec. 31, 2013 Common Class B [Member] Voting_Rights	Dec. 31, 2013 2013 Equity Incentive Plan [Member]	Dec. 31, 2013 2013 Equity Incentive Plan [Member] Common Class A [Member]
Partners Capital And Distributions [Line Items]
Number of classes of partnership units outstanding		3
Voting units per share										50
Operating partnership units exchange percentage					2.00%
Share authorized		450,133,000		450,133,000							1,750,000
Share issued		28,972,774	1,000	28,972,774			14,087,500					108,629
Option to purchase common stock												370,410
Equity incentive plan, units granted								224,244
Equity incentive plan, units forfeited								73,440
Equity incentive plan, units converted									5,000
Option to purchase common stock forfeited							2,500
Vested awards outstanding								$ 0.6	$ 0.1
Weighted average fair value per unit								$ 3.33	$ 7.15
Nonvested awards outstanding								1,100,000	100,000
Equity based compensation expense unrecognized		8.3
Equity based compensation expense vesting period		3 years
Equity based compensation awards intrinsic value		9
Distributions made to partners	7.6
Aggregate distribution made to stockholders and partners	$ 9.0
Dividend paid to common stockholders						$ 0.24
Partnership distribution per unit						$ 0.24