Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares issued (in shares)	2,530,000	0
Preferred stock, shares outstanding (in shares)	2,530,000	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	52,794,357	50,013,731
Common stock, shares outstanding (in shares)	52,794,357	50,013,731
Redeemable convertible preferred stock
Preferred Stock dividend rate percentage	6.75%