Equity - Restricted Stock Awards (Details)	6 Months Ended
	Jun. 30, 2021 $ / shares shares
Restricted stock awards
Number of Shares
Unvested, Beginning Balance (in shares) | shares	2,175,859
Granted (in shares) | shares	0
Vested (in shares) | shares	(862,790)
Forfeited (in shares) | shares	(48,026)
Unvested, Ending Balance (in shares) | shares	1,265,043
Weighted-Average Grant Date Fair Value
Unvested, Beginning Balance (in dollars per share) | $ / shares	$ 4.78
Granted (in dollars per share) | $ / shares	0
Vested (in dollars per share) | $ / shares	4.84
Forfeited (in dollars per share) | $ / shares	3.60
Unvested, Ending Balance (in dollars per share) | $ / shares	$ 4.79
Restricted stock unit awards
Number of Shares
Unvested, Beginning Balance (in shares) | shares	2,325,273
Granted (in shares) | shares	2,957,900
Vested (in shares) | shares	(761,775)
Forfeited (in shares) | shares	(116,019)
Unvested, Ending Balance (in shares) | shares	4,405,379
Weighted-Average Grant Date Fair Value
Unvested, Beginning Balance (in dollars per share) | $ / shares	$ 5.90
Granted (in dollars per share) | $ / shares	10.08
Vested (in dollars per share) | $ / shares	5.90
Forfeited (in dollars per share) | $ / shares	8.00
Unvested, Ending Balance (in dollars per share) | $ / shares	$ 8.65
Performance stock unit awards
Number of Shares
Unvested, Beginning Balance (in shares) | shares	35,212
Granted (in shares) | shares	0
Vested (in shares) | shares	0
Forfeited (in shares) | shares	0
Unvested, Ending Balance (in shares) | shares	35,212
Weighted-Average Grant Date Fair Value
Unvested, Beginning Balance (in dollars per share) | $ / shares	$ 7.10
Granted (in dollars per share) | $ / shares	0
Vested (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	0
Unvested, Ending Balance (in dollars per share) | $ / shares	$ 7.10