Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Preferred units subject to redemption (in shares)	3,256,000	0
Preferred Stock, par value (in USD per share)	$ 0.001	$ 0.001
Preferred Stock, number of shares authorized (in shares)	200,000,000	200,000,000
Preferred Stock, number of shares outstanding (in shares)	0	0
Common stock, number of shares authorized (in shares)	700,000,000	700,000,000
Common stock, number of shares outstanding (in shares)	14,488,161
Class A
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock, number of shares authorized (in shares)	350,000,000	350,000,000
Common stock, number of shares outstanding (in shares)	14,488,161	1,133,773
Class T
Common stock, number of shares authorized (in shares)	350,000,000	350,000,000