Revenue Arrangements (Tables)
12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of Changes in Contract Liabilities
The following table presents changes in the Company’s contract liabilities during the year ended December 31, 2021 (in thousands):
Balance atBalance at
beginning of periodAdditionsDeductionsend of period
Contract liabilities:
     Deferred revenue$110,796 $6,000 $(51,496)$65,300 
Total contract liabilities$110,796 $6,000 $(51,496)$65,300