Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Changes in Contractual Liabilities Balance (Details)

v3.21.2
Revenue Recognition - Changes in Contractual Liabilities Balance (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2021
USD ($)
Contract with Customer, Liability [Abstract]  
Beginning balance $ 16,378
Revenue recognized 7,425
Ending balance $ 8,952