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Leases (Tables)
3 Months Ended
Mar. 31, 2022
Leases [Abstract]  
Schedule of primary office leases and maturity of lease liabilities
The following table summarizes our primary office leases as of March 31, 2022 (in thousands, other than term):
LocationLease Termination Term (in years)Future Minimum Lease CommitmentsLetter of Credit Amount Required
Arlington, VA9.8$34,798 $1,579 
Riverside, IL 9.040,569 232 
Edison, NJ4.12,081 222 
Pune, India1.51,130 — 
Brea, CA0.2185 — 
Maturity of lease liabilities (in thousands) as of March 31, 2022, is as follows:
Operating lease expense
20227,921 
20239,258 
20248,968 
20258,653 
20267,988 
Thereafter39,972 
Total lease payments82,760 
Less:
Interest19,961 
Present value of lease liabilities$62,799 
Schedule of components of lease expense, weighted-average discount rate and weighted-remaining lease terms
The following table summarizes the components of our lease expense (in thousands):
For the Three Months Ended March 31,
20222021
Operating lease cost$2,274 $4,818 
Variable lease cost1,326 1,321 
Total lease cost$3,600 $6,139 
Our weighted-average discount rate and our weighted remaining lease terms (in years) are as follows:

March 31, 2022
Weighted average discount rate6.40 %
Weighted average remaining lease term8.6