Equity-based Compensation - Stock Options (Details) - USD ($)			12 Months Ended
	Feb. 20, 2019	Feb. 21, 2018	Dec. 31, 2019	Dec. 31, 2018
Weighted-Average Exercise Price
Granted (in dollars per share)	$ 0.74	$ 0.76
Equity Plan [Member] | Share-based Payment Arrangement, Option [Member]
Stock Options (shares)
Unvested, Beginning balance (shares)			2,763,165
Granted (shares)			2,797,302
Exercised (shares)			(42,765)
Forfeited (shares)			(155,672)
Unvested, Ending balance (shares)			5,362,030	2,763,165
Weighted-Average Exercise Price
Unvested, Beginning balance (in dollars per share)			$ 6.84
Granted (in dollars per share)			8.26
Exercised (in dollars per share)			6.84
Forfeited (in dollars per share)			7.21
Unvested, Ending balance (in dollars per share)			$ 7.57	$ 6.84
Weighted-Average Remaining Contractual Term (Years)
Weighted-Average Remaining Contractual Term (Years)			8 years 7 months 28 days	9 years 1 month 20 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value			$ 8,954,271	$ 856,581
Aggregate Intrinsic Value			$ (77,345)