Stockholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended	6 Months Ended							1 Months Ended		1 Months Ended
	Jun. 30, 2013	Mar. 30, 2012	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2013 2.25x Performance Restricted Shares [Member]	Jun. 30, 2013 2.75x Performance Restricted Shares [Member]	Apr. 24, 2013 Senior Notes [Member]	Jun. 30, 2013 Senior Notes [Member] Prior to December 1, 2014 [Member]	Apr. 24, 2013 Initial Public Offering [Member]	Jun. 30, 2013 Initial Public Offering [Member]	Apr. 24, 2013 Initial Public Offering [Member] Senior Notes [Member]	Apr. 24, 2013 Initial Public Offering [Member] Term Loan B [Member]	Apr. 24, 2013 Initial Public Offering Over-Allotment [Member]	Apr. 24, 2013 Equity Offering [Member] Senior Notes [Member]	Apr. 24, 2013 Equity Offering [Member] Senior Notes [Member] Prior to December 1, 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock split description			On April 7, 2013, the Company's Board of Directors authorized an eight-for-one split of the Company's common stock which was effective on April 8, 2013. The Company's historical share and per share information has been retroactively adjusted to give effects to this stock split.
Stock split conversion ratio			8
Common stock, par value	$ 0.01		$ 0.01	$ 0.01
Common stock, shares authorized	1,000,000,000		1,000,000,000	1,000,000,000
Preferred stock, shares authorized	100,000,000		100,000,000	100,000,000
Preferred stock, par value	$ 0.01		$ 0.01	$ 0.01
Shares of common stock issued through initial public offering, shares										10,000,000
Shares offered and sold by the selling shareholders										19,900,000				3,900,000
Shares of common stock issued through initial public offering, per share										$ 27.00	$ 27.00
Net proceeds received from offering			$ 245,441							$ 245,441
Net proceeds received used to redeem 11% Senior Notes												140,000
Senior Notes redemption aggregate price percentage								111.00%	100.00%							111.00%
Senior Notes redemption terms												A provision in the indenture governing the Senior Notes that permits the Company to redeem up to 35% of the aggregate principal amount of the Senior Notes with the net cash proceeds of certain equity offerings.
Senior Notes redemption percentage															35.00%
Payment made to affiliate for termination of Advisory Agreement										46,300
Net proceeds from offering													37,000
Dividend declared to stockholders		500,000	18,072
Cash dividend declared	$ 0.20		$ 0.20		$ 6.07
Dividend payable date	Jul. 01, 2013
Dividend record date	Jun. 20, 2013
Cash dividends payable	18,072
Dividends payable	$ 18,072		$ 18,072		$ 40,003	$ 294	$ 294