XML 111 R96.htm IDEA: XBRL DOCUMENT v3.21.1
Profit Sharing Plans - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 19, 2019
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2018
Salary and Payroll Taxes [Member]        
Defined Contribution Plan Disclosure [Line Items]        
Contribution under profit sharing retirement plan $ 10 $ 200 $ 300 $ 300