Employee Benefit Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Minimum age requirement for employees to participate in the plan	18 years
Maximum contribution by employee (as a percent)	90.00%
Employer match of employee contributions on the first level of salary deferral (as a percent)	100.00%
Percentage of eligible compensation, first level, matched by employer	3.00%
Employer match of employee contributions on the second level of salary deferral (as a percent)	50.00%
Percentage of eligible compensation, second level, partially matched by employer	2.00%
Maximum percentage of participating employee annual compensation that the company may elect to make a discretionary contribute towards	60.00%
Company's contribution to the 401(k) Plan	$ 2.3	$ 2.1	$ 1.8