Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Equity [Abstract]
Cash dividends declared per share to shareholders	$ 0.25	$ 0.25	$ 0.50	$ 0.50
Cash distributions declared to unit holders, per unit			$ 0.50	$ 0.50
Dividends and distributions paid			$ 30,330	$ 28,790