Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
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)	57,934,042	56,277,971
Common stock, shares outstanding (in shares)	57,934,042	56,277,971
Redeemable convertible preferred stock
Preferred stock, shares authorized (in shares)	9,980,000	2,930,000
Preferred stock, shares issued (in shares)	6,843,418	2,530,000
Preferred stock, shares outstanding (in shares)	6,843,418	2,530,000
Preferred Stock dividend rate percentage	6.75%	6.75%