Shareholders' Equity - Schedule of Common Stock Outstanding (Details) - shares	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	81,391,022		75,516,352
Class A
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	78,469,923	69,343,361	69,005,059	64,556,459	64,352,247	64,293,741
Class C
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	2,921,099	6,511,293	6,511,293	6,511,293	6,511,293	6,511,293
Shares outstanding not subject to an earn-out agreement
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	81,391,022		68,668,516
Shares outstanding not subject to an earn-out agreement | Class A
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	78,469,923		62,888,606
Shares outstanding not subject to an earn-out agreement | Class C
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	2,921,099		5,779,910
Shares subject to $15.00 earn-out
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		2,940,336
Shares subject to $15.00 earn-out | Class A
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		2,940,336
Shares subject to $15.00 earn-out | Class C
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		0
Shares subject to $12.50 earn-out
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		3,750,000
Shares subject to $12.50 earn-out | Class A
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		3,018,617
Shares subject to $12.50 earn-out | Class C
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		731,383
Shares subject to $12.25 earn-out
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		157,500
Shares subject to $12.25 earn-out | Class A
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		157,500
Shares subject to $12.25 earn-out | Class C
Class of Stock [Line Items]
Common stock, shares outstanding (shares)	0		0