Organization and Business - Additional Information (Details) - USD ($)	Mar. 17, 2017	Aug. 05, 2016	Apr. 28, 2017	Mar. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Common stock, shares authorized (in shares)				500,000,000	500,000,000
Common stock, par value (in dollars per share)				$ 0.01	$ 0.01
Common shares sold	17,250,000
Shares issued upon exercise of the underwriters' overallotment option	2,250,000
Net proceeds	$ 300,700,000
Number of partnership units issued	17,250,000
Maximum | Private Placement | 2016 ATM Program
Class of Stock [Line Items]
Aggregate offering price of common stock		$ 300,000,000.0
Subsequent Event | Private Placement | 2016 ATM Program
Class of Stock [Line Items]
Sale of stock, remaining authorized amount			$ 297,400,000