CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, interest	5.875%	5.875%
Liquidation preference (per share)	$ 25	$ 25
Liquidation preference, value	$ 90,000
Shares authorized	10,000,000	10,000,000
Shares outstanding	3,600,000	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	490,000,000	490,000,000
Common stock, shares outstanding	66,454,375	55,598,684