Consolidated Statements of Stocholders' Equity and Owners' Deficit (USD $) In Thousands, except Share data, unless otherwise specified	Total USD ($)	Common Class A [Member]	Common Class B [Member]	Total Stockholders' Equity [Member] USD ($)	Common Stock [Member] Common Class A [Member] USD ($)	Common Stock [Member] Common Class B [Member] USD ($)	Additional Paid-in Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Noncontrolling Interest [Member] USD ($)	Private Perpetual Preferred Units [Member] USD ($)	Predecessor [Member] USD ($)
Beginning balance at Dec. 31, 2011	$ 1,294			$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 1,294
Beginning balance (in shares) at Dec. 31, 2011					0	0
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	48,643										48,643
Contributions	2,107										2,107
Distributions	(62,903)										(62,903)
Ending balance at Dec. 31, 2012	(10,859)			0	0	0	0	0	0	0	(10,859)
Ending balance (in shares) at Dec. 31, 2012					0	0
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	(37,232)										(37,232)
Contributions	8,223										8,223
Deemed contribution	55,000										55,000
Distributions	(155,112)										(155,112)
Ending balance at Oct. 06, 2013	(139,980)									0	(139,980)
Beginning balance at Oct. 04, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)		82,200,000
Ending balance at Oct. 06, 2013	(139,980)			0	0	0	0	0	0	0	(139,980)
Beginning balance (in shares) at Oct. 06, 2013					0	0
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	193,431			75,245				75,245	118,186
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)					82,225,000
Issuance of Class A Common Stock, net of costs	960,568			960,568	822		959,746
Conversion of operating partnership units and Class B shares to Class A shares							0
Issuance of Class A Common Stock, Class B Common Stock, and non-controlling interests related to the formation transactions (in shares)					12,106,000	1,122,000
Issuance of Class A Common Stock, Class B Common Stock, and non-controlling interests related to the formation transactions	738,950			132	121	11			738,818
Payments in cash to certain holders that are non-accredited investors or who elected to receive cash for their equity interests in the formation transactions	(733,262)								(733,262)
Equity allocation for the equity consideration paid to continuing investors in the formation transactions				(643,559)			(643,559)		503,579		139,980
Equity compensation:
LTIP units	2,621								2,621
Restricted stock (in shares)					153,000
Restricted stock	373			373	2		371
Dividends and distributions	(19,516)			(7,601)				(7,601)	(11,915)
Ending balance at Dec. 31, 2013	1,003,185			385,158	945	11	316,558	67,644	618,027	0	0
Ending balance (in shares) at Dec. 31, 2013		94,484,023	1,122,130		94,484,000	1,122,000
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	70,210			26,667				26,667	43,067	476
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)					2,556,000	110,000
Issuance of Class A Common Stock, net of costs	379,328			44,398	25	1	44,372		334,930
Redemption of operating partnership units	(829)								(829)
Issuance of private perpetual preferred units in exchange for common units									(8,004)	8,004
Equity component of senior unsecured notes	13,204			4,857			4,857		8,347
Conversion of operating partnership units and Class B shares to Class A shares (in shares)					8,995,000	(71,000)
Conversion of operating partnership units and Class B shares to Class A shares				40,701	90		40,611		(40,701)
Equity compensation:
LTIP units	3,265								3,265
Restricted stock (in shares)					(5,000)
Restricted stock	455			455			455
Dividends and distributions	(87,721)			(33,598)				(33,598)	(53,647)	(476)
Ending balance at Dec. 31, 2014	$ 1,381,097			$ 468,638	$ 1,060	$ 12	$ 406,853	$ 60,713	$ 904,455	$ 8,004	$ 0
Ending balance (in shares) at Dec. 31, 2014		106,030,449	1,122,130		106,030,000	1,161,000