Stockholders' Equity (Details) - $ / shares	Jun. 04, 2018	Jun. 30, 2019	Dec. 31, 2018
Class A common stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000	100,000,000
Common stock, shares issued (in shares)		14,363,242	12,995,080
Common stock, shares outstanding (in shares)		14,328,538	12,995,080
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000	100,000,000
Common stock, shares issued (in shares)		2,696,853	3,560,604
Common stock, shares outstanding (in shares)		2,696,853	3,560,604
Successor Company
Class of Stock [Line Items]
Stock shares authorized (in shares)		300,000,000
Preferred stock, shares authorized (in shares)		100,000,000
Common stock, shares issued (in shares)		17,060,095
Common stock, shares outstanding (in shares)		17,025,391
Successor Company | Class A common stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000
Common stock, shares issued (in shares)		14,363,242
Common stock, shares outstanding (in shares)		14,328,538
Successor Company | Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000
Common stock, shares issued (in shares)		2,696,853
Common stock, shares outstanding (in shares)		2,696,853
Successor Company | Series I Warrants
Class of Stock [Line Items]
Number of warrants issued (shares)	3,016,853
Warrants exercise price (usd per share)	$ 0.0000001
Successor Company | Series 2 warrants
Class of Stock [Line Items]
Number of warrants issued (shares)	712,736
Warrants exercise price (usd per share)	$ 0.0000001