Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Supplementary Financial Statement Information (Details)

v3.21.1
Supplementary Financial Statement Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2018
Supplementary Financial Statement Information [Abstract]    
Constitute least, percentage 10.00%  
Fair value estimate of services received   $ 583