Changes in Equity (Tables)

3 Months Ended

Mar. 31, 2019

Changes in Equity [Abstract]

Schedule of Stockholders Equity

							Accumulated
			Additional				Other
	Common		Paid-in		Retained		Comprehensive		Noncontrolling		Total
(in thousands)	Stock		Capital		Earnings		Loss		Interests		Equity
Balance - December 31, 2018	$	50,026	$	1,102,919	$	701,681	$	(45,449)	$	(21,288)	$	1,787,889
Net income (loss)		—		—		(356)		—		5,078		4,722
Other comprehensive income		—		—		—		1,249		102		1,351
Share-based compensation		—		4,783		—		—		—		4,783
Issuance of common stock, net		154		(2,518)		—		—		—		(2,364)
Contributions from noncontrolling interests		—		—		—		—		2,798		2,798
Distributions to noncontrolling interests		—		—		—		—		(4,000)		(4,000)
Balance - March 31, 2019	$	50,180	$	1,105,184	$	701,325	$	(44,200)	$	(17,310)	$	1,795,179

							Accumulated
			Additional				Other
	Common		Paid-in		Retained		Comprehensive		Noncontrolling		Total
(in thousands)	Stock		Capital		Earnings		Loss		Interests		Equity
Balance - December 31, 2017	$	49,781	$	1,084,205	$	622,007	$	(42,718)	$	(8,495)	$	1,704,780
Cumulative effect of accounting change		—		—		(3,684)		—		(1,763)		(5,447)
Net income (loss)		—		—		(12,124)		—		1,182		(10,942)
Other comprehensive loss		—		—		—		(878)		—		(878)
Share-based compensation		—		5,399		—		—		—		5,399
Issuance of common stock, net		132		(2,440)		—		—		—		(2,308)
Distributions to noncontrolling interests		—		—		—		—		(5,000)		(5,000)
Balance - March 31, 2018	$	49,913	$	1,087,164	$	606,199	$	(43,596)	$	(14,076)	$	1,685,604