XML 54 R41.htm IDEA: XBRL DOCUMENT v3.21.1
DEFERRED COMMISSIONS - Schedule of Impairment of Deferred Commissions (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Deferred commissions $ 103,474 $ 108,624