Employee Benefit Plan (Details)	6 Months Ended
	Jun. 30, 2020 USD ($)
Employee Benefit Plan
Age restriction of employees	21 years
Employee's contribution to plan 401(k) plan	$ 19,500
Catch up contribution limit for employees age 50 or older	$ 6,500
Minimum age of employees with catch up contribution limit	50 years
Employer match of employee contribution, as a percent	100.00%
Employer maximum annual contribution per employee	$ 2,000
Maximum employee contribution eligible for match, as a percent	3.00%