Stockholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended				0 Months Ended				3 Months Ended	0 Months Ended			3 Months Ended	0 Months Ended			12 Months Ended		0 Months Ended
	Apr. 08, 2013	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2014 2.25x Performance Restricted Shares [Member]	Mar. 31, 2014 2.75x Performance Restricted Shares [Member]	May 13, 2014 Subsequent Events [Member]	Apr. 24, 2013 Senior Notes [Member] Prior to December 1, 2014 [Member]	Mar. 31, 2014 Senior Notes [Member] Prior to December 1, 2014 [Member]	Apr. 24, 2013 Term B Loan [Member]	Apr. 24, 2013 Initial Public Offering [Member]	Apr. 24, 2013 Initial Public Offering [Member] Senior Notes [Member]	Mar. 31, 2014 Initial Public Offering [Member] Senior Notes [Member]	Apr. 24, 2013 Underwriters Option to Purchase Additional Shares [Member]	Apr. 09, 2014 Underwriters Option to Purchase Additional Shares [Member] Subsequent Events [Member]	Dec. 17, 2013 Secondary Offering [Member]	Dec. 31, 2013 Secondary Offering [Member]	Mar. 31, 2014 Secondary Offering [Member]	Apr. 09, 2014 Secondary Offering [Member] Subsequent Events [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares issued		89,920,890	89,900,453														0			0
Unvested shares of common stock		3,343,690
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
Common stock, shares authorized		1,000,000,000	1,000,000,000
Preferred stock, shares authorized		100,000,000	100,000,000
Preferred stock, par value		$ 0.01	$ 0.01
Shares of common stock issued through initial public offering, shares												10,000,000
Shares offered and sold by the selling stockholders												19,900,000			3,900,000	2,250,000	18,000,000			17,250,000
Net proceeds received from offering												$ 245,400
Net proceeds received used to redeem 11% Senior Notes													140,000
Redemption price for Senior Notes percentage									111.00%	100.00%
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.
Payment made to affiliate for termination of Advisory Agreement												46,300
Net proceeds from offering to repay the outstanding debt											37,000
Secondary offering costs		674																1,407
Number of shares repurchased		1,500,000	1,500,000																	1,750,000
Treasury stock at cost		44,163	44,163															44,163	44,163	50,700
Cash dividends declared		$ 0.20	$ 0.20	$ 0.20	$ 0.20			$ 0.21
Dividend payable date		Apr. 01, 2014	Jan. 03, 2014	Oct. 01, 2013	Jul. 01, 2013			Jul. 01, 2014
Dividend record date		Mar. 20, 2014	Dec. 20, 2013	Sep. 20, 2013	Jun. 20, 2013			Jun. 20, 2014
Cash dividends payable		18,015	17,939
Dividends payable						$ 1,170	$ 1,170