Leases
We lease our offices and do not own any real estate. Our corporate headquarters is located in Burlington, Massachusetts. We lease office space domestically and internationally in various locations for our operations, including facilities located in Austin, Texas; Bucharest, Romania; Dundee, United Kingdom; Edinburgh, United Kingdom; Emmeloord, Netherlands; Lisbon, Portugal; Manila, Philippines; Minsk, Belarus; Morrisville, North Carolina; Ottawa, Canada; Sydney, Australia; Uster, Switzerland; Utrecht, Netherlands; Vienna, Austria; Warsaw, Poland; and Washington, D.C. Our leases are all classified as operating and have remaining terms of less than one year to 6.4 years.
The components of operating lease costs for the years ended December 31, 2025, 2024 and 2023 were as follows:
Year Ended December 31,
202520242023
(in thousands)
Operating lease costs$7,378 $7,942 $6,804 
Variable lease costs(1)
1,588 1,154 1,120 
Short-term lease costs156 263 221 
Sublease income received(1,001)(690)(488)
Total lease costs$8,121 $8,669 $7,657 
____________
(1)     Primarily includes common area maintenance and other service charges for leases in which we pay a proportionate share of those costs as we have elected to not separate lease and non-lease components for our office leases.
Maturities of our operating lease liabilities as of December 31, 2025 were as follows:
December 31, 2025
(in thousands)
2026$9,012 
20277,888 
20287,349 
20296,397 
20305,325 
Thereafter5,855 
Total minimum lease payments41,826 
Less: imputed interest(5,339)
Present value of operating lease liabilities$36,487 
As of December 31, 2025, the weighted-average remaining lease term of our operating leases was 5.3 years and the weighted-average discount rate used in the calculation of our lease liabilities was 5.5%.

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Mar 7, 2025
2023Feb 29, 2024
2022Mar 14, 2023
2021Mar 8, 2022

About Leases Disclosures

Lease disclosures under ASC 842 provide a comprehensive view of a company's leased asset portfolio, including the split between operating and finance leases, discount rates used to present-value future payments, and the maturity schedule of lease obligations. This section reveals a significant source of off-balance-sheet commitments that were largely hidden before the current standard.

Key signals: the weighted-average discount rate affects the size of recorded lease liabilities — a higher rate reduces the reported obligation, so compare the chosen rate against the company's incremental borrowing rate. The operating versus finance lease mix affects both EBITDA and operating income presentation. Watch the maturity table for concentration risk: large payment cliffs in specific years may create cash flow pressure. Variable lease payments excluded from the liability measurement represent real obligations that do not appear on the balance sheet. Compare total lease costs against prior-year operating lease expense to assess the true economic burden.