Combined Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Predecessor’s Partners’ Capital Series A Preferred Unit	Predecessor’s Partners’ Capital Series B Preferred Unit	Predecessor’s Partners’ Capital Common Units	Predecessor’s Partners’ Capital LP Units	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in-Capital	Treasury Stock	Retained Earnings/(Dividends in Excess of Earnings)	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests Operating Partnership	Noncontrolling Interest in Consolidated Joint Ventures
Beginning Balance (in shares) at Dec. 31, 2013								0	0
Beginning Balance at Dec. 31, 2013	$ 1,185,234			$ 825,985	$ 290,847	$ 59,565	$ 0	$ 0	$ 0	$ 0		$ 0	$ 0	$ 0	$ 8,837
Increase Decrease in Stockholders' Equity
Contributions	1,841														1,841
Distributions	(50,502)				(369)									(47,926)	(2,207)
Equity based compensation	14,451				290					332				13,829
Issuance of common stock (IPO) (in shares)								16,925,000
Issuance of common stock (IPO)	259,037							$ 16		259,021
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units (in shares)									(10,000)
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units	(125)													(125)
Forfeitures (in shares)								(40,000)	(6,000)
Forfeitures	0
Offering costs	(20,523)									(20,523)
Reorganization transactions	0			(828,577)	(291,680)	(60,441)	1,180,698
Exchange of capital for common stock (in shares)								33,673,000
Exchange of capital for common stock	0						(483,602)	$ 34		468,694			14,874
Exchange of predecessor LP Units for common stock (in shares)									48,537,000
Exchange of predecessor LP Units for common stock	0						(697,096)							697,096
Exchange of noncontrolling interest for common stock (in shares)								874,000	(874,000)
Exchange of noncontrolling interest for common stock	0							$ 1		12,502			324	(12,827)
Adjustment for deferred taxes/tax receivable agreement as a result of the exchange of Class B shares	152									152
Net income (loss)	97,626			(7,471)	(2,631)	(2,526)						44,187		66,437	(370)
Other comprehensive income (loss)	18,016			10,063	3,543	3,402							488	520
Rebalancing of ownership percentage between Company and Operating Partnership	0									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			$ 0	$ 0	$ 0	$ 0	$ 51	$ 0	725,538	$ 0	44,187	15,656	711,674	8,101
Increase Decrease in Stockholders' Equity
Contributions	74														74
Distributions	(72,603)													(68,673)	(3,930)
Amendment of the par value of the Class B shares from no par value per share to $0.001 per share	0								$ 47					(47)
Equity based compensation	13,788									417				13,371
Grants of restricted stock (in shares)								700,000
Grants of restricted stock	0							$ 1		(1)
Purchase of treasury stock (in shares)								(84,000)
Purchase of treasury stock	(994)										(994)
Re-issuance of treasury stock (in shares)								26,000
Re-issuance of treasury stock	0
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units (in shares)								(262,000)	(5,000)
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units	(4,897)										(4,818)			(79)
Forfeitures (in shares)								(188,000)
Forfeitures	0
Dividends declared	(57,390)											(57,390)
Exchange of noncontrolling interest for common stock (in shares)								3,586,000	(3,586,000)
Exchange of noncontrolling interest for common stock	0							$ 3	$ (3)	53,011			645	(53,656)
Adjustment for deferred taxes/tax receivable agreement as a result of the exchange of Class B shares	(1,366)									(1,366)
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							$ 55	$ 44	776,866	(5,812)	60,618	(3,556)	657,380	5,813
Increase Decrease in Stockholders' Equity
Contributions	250													250	0
Distributions	(40,562)													(39,805)	(757)
Equity based compensation	17,640									516				17,124
Grants of restricted stock (in shares)								794,000
Grants of restricted stock	0							$ 1		(1)
Purchase of treasury stock (in shares)								(424,000)
Purchase of treasury stock	(4,652)										(4,652)
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units (in shares)								(73,000)	(1,000)
Shares acquired to satisfy minimum required federal and state tax withholding on vesting restricted stock and units	(786)										(780)			(6)
Forfeitures (in shares)								(48,000)
Forfeitures	0
Dividends declared	(74,393)											(74,393)
Stock dividends (in shares)								5,606,000	4,469,000
Stock dividends	0							$ 6	$ 4	64,090		(64,100)
Exchange of noncontrolling interest for common stock (in shares)		10,521,149	(10,521,149)					10,521,000	(10,521,000)
Exchange of noncontrolling interest for common stock	0							$ 10	$ (10)	144,629			1,202	(145,831)
Adjustment for deferred taxes/tax receivable agreement as a result of the exchange of Class B shares	(1,590)									(1,590)
Net income (loss)	113,720											66,727		47,131	(138)
Other comprehensive income (loss)	8,519												3,420	5,099
Rebalancing of ownership percentage between Company and Operating Partnership	0									7,797			299	(8,096)
Ending Balance (in shares) at Dec. 31, 2016								71,586,000	38,003,000
Ending Balance at Dec. 31, 2016	$ 1,509,554							$ 72	$ 38	$ 992,307	$ (11,244)	$ (11,148)	$ 1,365	$ 533,246	$ 4,918