Equity-based Compensation - Stock Options (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Weighted-Average Exercise Price
Granted (in dollars per share)	$ 0.76
Equity Plan [Member] | Employee Stock Option [Member]
Stock Options (shares)
Unvested, Beginning balance (shares) | shares	0
Granted (shares) | shares	2,802,639
Forfeited (shares) | shares	(39,474)
Unvested, Ending balance (shares) | shares	2,763,165
Weighted-Average Exercise Price
Unvested, Beginning balance (in dollars per share)	$ 0.00
Granted (in dollars per share)	6.84
Forfeited (in dollars per share)	6.84
Unvested, Ending balance (in dollars per share)	$ 6.84
Weighted-Average Remaining Contractual Term (Years)
Weighted-Average Remaining Contractual Term (Years)	9 years 1 month 21 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value | $	$ 856,581