Combined Consolidated Statements of Changes in Equity/Capital - USD ($) $ in Thousands	Total	Additional Paid-in-Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income	Noncontrolling Interests Operating Partnership	Noncontrolling Interests Consolidated Joint Ventures	Series B Preferred Units	Class A Common Stock Common Stock	Class B Common Stock Common Stock	Treasury Stock	Preferred Units Series A Preferred Units	Preferred Units Series B Preferred Units	Common Units	LP Units
Beginning Balance at Dec. 31, 2012												$ 781,101	$ 272,215	$ 44,372
Increase (Decrease) in Partners' Capital
Contributions	$ 11,646						$ 9,846	$ 1,800
Distributions	(95,935)						(493)					(58,093)	(18,333)	(19,016)
Ending Balance at Dec. 31, 2013												825,985	290,847	59,565
Beginning Balance at Dec. 31, 2012	1,098,270	$ 0		$ 0	$ 0	$ 0	582		$ 0	$ 0
Beginning Balance (in shares) at Dec. 31, 2012									0	0
Increase Decrease in Stockholders' Equity
Equity based compensation	2,881												2,428	453
Net income (loss)	188,733						(1,098)					115,349	36,670	37,812
Other comprehensive income (loss)	(20,361)											(12,372)	(3,933)	(4,056)
Ending Balance (in shares) at Dec. 31, 2013									0	0
Ending Balance at Dec. 31, 2013	1,185,234	0		0	0	0	8,837		$ 0	$ 0
Increase (Decrease) in Partners' Capital
Contributions	1,841						1,841
Distributions	(50,502)					(47,926)	(2,207)						(369)
Ending Balance at Dec. 31, 2014												0	0	0
Increase Decrease in Stockholders' Equity
Equity based compensation	14,451	332				13,829							290
Issuance of common stock (IPO)	259,037	259,021							$ 16
Issuance of common stock (IPO) (in shares)									16,925,000
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units	(125)					(125)
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units (in shares)										(10,000)
Forfeitures (in shares)									(40,000)	(6,000)
Offering costs	(20,523)	(20,523)
Reorganization transactions (in shares)												(828,577)	(291,680)	(60,441)	$ 1,180,698
Exchange of capital for common stock		468,694			14,874				$ 34						(483,602)
Exchange of capital for common stock (in shares)									33,673,000
Exchange of predecessor LP Units for common stock						697,096									$ (697,096)
Exchange of predecessor LP Units for common stock (in shares)										48,537,000
Exchange of noncontrolling interest for common stock		12,502			324	(12,827)			$ 1
Adjustment to tax receivable agreement as a result of the exchange of Class B shares	152	152
Exchange of noncontrolling interest for common stock (in shares)									874,374	(874,374)
Net income (loss)	97,626			44,187		66,437	(370)					(7,471)	(2,631)	(2,526)
Other comprehensive income (loss)	18,016				488	520						$ 10,063	$ 3,543	$ 3,402
Rebalancing of ownership percentage between Company and Operating Partnership		5,360			(30)	(5,330)
Ending Balance (in shares) at Dec. 31, 2014									51,432,000	47,647,000
Ending Balance at Dec. 31, 2014	1,505,207	725,538	$ 0	44,187	15,656	711,674	8,101		$ 51	$ 0
Increase (Decrease) in Partners' Capital
Contributions	74						74
Distributions	(72,603)					(68,673)	(3,930)
Increase Decrease in Stockholders' Equity
Amendment of the par value of the Class B shares from no par value per share to $0.001 per share						(47)				$ 47
Equity based compensation	13,788	417				13,371
Grants of restricted stock		(1)							$ 1
Grants of restricted stock (in shares)									700,000
Purchase of treasury stock	(994)		(994)
Purchase of treasury stock (in shares)									(84,000)
Re-issuance of treasury stock (in shares)									26,000
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units	(4,897)					(79)					$ (4,818)
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units (in shares)									(262,000)	(5,000)
Forfeitures (in shares)									(188,000)
Dividends declared	(57,390)			(57,390)
Exchange of noncontrolling interest for common stock	0	53,011			645	(53,656)			$ 3	$ (3)
Adjustment to tax receivable agreement as a result of the exchange of Class B shares	(1,366)	(1,366)
Exchange of noncontrolling interest for common stock (in shares)									3,586,546	(3,586,546)
Net income (loss)	146,134			73,821		70,745	1,568
Other comprehensive income (loss)	(36,545)				(20,046)	(16,499)
Rebalancing of ownership percentage between Company and Operating Partnership	0	(733)			189	544
Ending Balance (in shares) at Dec. 31, 2015									55,210,000	44,056,000
Ending Balance at Dec. 31, 2015	$ 1,491,408	$ 776,866	$ 5,812	$ 60,618	$ (3,556)	$ 657,380	$ 5,813		$ 55	$ 44