Equity and Equity Compensation Plans - Schedule of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Number Of Options
Outstanding, beginning balance (in shares) | shares	7,792,181
Options exercised (in shares) | shares	(1,257,830)
Options forfeited (in shares) | shares	(31,103)
Options canceled (in shares) | shares	(9,979)
Outstanding, ending balance (in shares) | shares	6,493,269	7,792,181
Options exercisable at period end (in shares) | shares	6,095,505
Weighted- Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 7.00
Options exercised (in dollars per share) | $ / shares	5.97
Options forfeited (in dollars per share) | $ / shares	8.93
Options canceled (in dollars per share) | $ / shares	8.95
Outstanding, ending balance (in dollars per share) | $ / shares	7.19	$ 7.00
Options exercisable at period end (in dollars per share) | $ / shares	$ 6.58
Weighted-Average Remaining Contractual Life (Years)
Weighted average remaining contractual life outstanding	4 years 10 months 24 days	5 years 3 months 10 days
Weighted average remaining contractual life exercisable	4 years 8 months 19 days
Aggregate Intrinsic Value
Options outstanding, Aggregate intrinsic value | $	$ 225,447	$ 111,122
Options exercisable, Aggregate intrinsic value | $	$ 215,368