Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Unrecognized Tax Assets (Details)

v3.20.4
Income Taxes - Schedule of Unrecognized Tax Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance $ (16,546) $ (13,189) $ (9,650)
Additions for tax positions of prior years (661) (1,416) (1,396)
Reduction for tax positions of prior years 11 104 275
Additions for tax positions of the current year (2,340) (1,522) (2,418)
Additions related to acquisitions   (523)  
Balance $ (19,536) $ (16,546) $ (13,189)