Annual report pursuant to Section 13 and 15(d)

401 (k) Savings Plan - Additional Information (Details)

v3.20.1
401 (k) Savings Plan - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Defined Contribution Pension And Other Postretirement Plans Disclosure [Abstract]    
Defined contribution plan, contribution amount $ 74 $ 0
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 3.00%  
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 4.00%