Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Deferred revenue (Details)

v3.22.2.2
REVENUE - Deferred revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
REVENUE          
Beginning balance $ 192,972 $ 172,951 $ 168,607 $ 149,224  
Deferral of unearned revenue 54,946 49,060 180,209 165,094  
Recognition of unearned revenue (51,553) (47,316) (152,451) (139,623)  
Ending balance 196,365 $ 174,695 196,365 $ 174,695  
Long-term unearned revenue $ 29,500   $ 29,500   $ 18,400
Long-term unearned revenue, recognition period (or less)     5 years