Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2020	Dec. 31, 2019
Preferred Stock
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Shares Issued ( In shares )	0	0
Shares Outstanding ( In shares )	0	0
Class C
Common Stock
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Shares Issued ( In shares )	23,660,697	23,647,466
Shares Outstanding ( In shares )	23,660,697	23,647,466
Class S
Common Stock
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Shares Issued ( In shares )	187,640	186,606
Shares Outstanding ( In shares )	187,640	186,606