CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	9 Months Ended	12 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Preferred stock, authorized (shares)	16,670,000	16,670,000
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, authorized (shares)	150,000,000	100,000,000
Common stock, issued (shares)	89,458,340	76,080,625
Common stock, outstanding (shares)	89,458,340	76,080,625
Redeemable Preferred Stock
Preferred stock, dividend rate	7.25%	7.25%
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, liquidation preference (usd per share)	$ 25.00	$ 25
Preferred stock, authorized (shares)	13,409,650	13,409,650
Preferred stock, issued (shares)	6,682,448	5,416,890
Preferred stock, outstanding (shares)	6,682,448	5,416,890

Face amount or stated value per share of common stock.

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