Employee Benefit Plans - Restricted Stock Activity (Details) - Restricted stock outstanding - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Employee Benefit Plans
Compensation cost	$ 10,900	$ 6,800	$ 20,700	$ 12,000
Unrecognized compensation cost	77,700		$ 77,700
Period for recognition			1 year 5 months 19 days
Fair value of restricted stock units vested	$ 600	$ 3,900	$ 8,900	$ 4,400
Shares
Unvested restricted stock, beginning balance (in shares)			4,851,873
Granted (in shares)			1,126,491
Vested (in shares)			(265,500)
Forfeited (in shares)			(96,584)
Unvested restricted stock, end balance (in shares)	5,616,280		5,616,280
Weighted Average Grant Date Fair Value
Unvested restricted stock, beginning balance, weighted average grant date fair value			$ 21.59
Granted, weighted average grant date fair value	$ 25.49	$ 26.08	24.30	$ 43.05
Vested, weighted average grant date fair value			33.37
Forfeited, weighted average grant date fair value			25.83
Unvested restricted stock, end balance, weighted average grant date fair value	$ 18.84		$ 18.84
Aggregate Intrinsic Value
Unvested restricted stock, end balance, aggregate intrinsic value	$ 92,049		$ 92,049