Condensed Consolidated Balance Sheets (Unaudited) Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2019	Dec. 31, 2018
Preferred stock (USD per share)	$ 0.0001	$ 0.0001
Preferred Class A
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	3	3
Preferred stock, shares outstanding (in shares)	2	2
Preferred Class B
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	1	1
Preferred stock, shares outstanding (in shares)	1	1
Common stock par value (USD per share)	$ 0.0001	$ 0.0001
Common Class A
Common stock, shares authorized (in shares)	1,200,000,000	1,200,000,000
Common stock, shares issued (in shares)	182,765,278	180,072,227
Common stock, shares outstanding (in shares)	182,765,278	180,072,227
Common Class C
Common stock, shares authorized (in shares)	280,000,000	280,000,000
Common stock, shares issued (in shares)	199,987,976	202,169,576
Common stock, shares outstanding (in shares)	199,987,976	202,169,576