Annual report pursuant to Section 13 and 15(d)

Retirement Plan - Additional Information (Details)

v3.19.3.a.u2
Retirement Plan - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Compensation And Retirement Disclosure [Abstract]    
Percentage of company's matching contribution with respect to each participant's contribution 100.00%  
Company matching contributions to maximum employees eligible compensation 5.00%  
Total company contributions to 401 (k) plan $ 307 $ 540