LEASES
The Company enters into leases for real estate and equipment. Real estate leases are for our corporate office space and laboratories around the world. Real estate leases have remaining lease terms of less than 1 year to 15 years.
Many of the Company’s leases include options to extend the leases on a month to month basis or for set periods for up to 20 years. Many leases also include options to terminate the leases within 1 year or per other contractual terms.
The components of lease expense were as follows (in thousands):
Year Ended December 31,
202520242023
Operating lease cost$31,057 $31,593 $27,919 
Variable lease cost$12,390 $11,409 $9,455 
Supplemental cash flow information related to the leases was as follows (in thousands):
Year Ended December 31,
202520242023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$25,889 $22,413 $19,829 
Right-of-use assets obtained in exchange for lease obligations:
Operating leases8,369 9,163 23,960 
Supplemental balance sheet information related to the leases was as follows at December 31 (in thousands):
20252024
Operating lease right-of-use assets - related parties$68,416 $74,889 
Operating lease right-of-use assets - non-related parties49,399 53,760 
Operating lease right-of-use assets$117,815 $128,649 
Other current liabilities - related parties6,915 6,310 
Other current liabilities - non-related parties16,294 16,979 
Other current liabilities$23,209 $23,289 
Operating lease liabilities - related parties77,344 84,259 
Operating lease liabilities - non-related parties36,299 41,975 
Operating lease liabilities113,643 126,234 
Total operating lease liabilities$136,852 $149,523 
Weighted Average Remaining Lease Term (years)
Operating leases9.19.6
Weighted Average Discount Rate
Operating leases5.7 %5.7 %
Lease payments due related to lease liabilities as of December 31, 2025 were as follows (in thousands):
Related Party
Operating Leases
Non-Related Parties
Operating Leases
Total
Operating Leases
2026$11,807 $18,036 $29,843 
202710,839 15,239 26,078 
20288,609 9,897 18,506 
20298,824 6,859 15,683 
20309,045 4,285 13,330 
Later years73,800 3,650 77,450 
Total lease payments122,924 57,966 180,890 
Less: imputed interest(38,665)(5,373)(44,038)
Total$84,259 $52,593 $136,852 
As of December 31, 2025, we have an additional lease with contractual obligations, which have not yet commenced, with future payments of $0.3 million.

Historical Timeline

Fiscal YearFiled
2025Feb 10, 2026Showing above
2024Feb 11, 2025
2023Feb 13, 2024
2022Feb 14, 2023
2021Feb 15, 2022
2020Feb 16, 2021
2019Feb 25, 2020

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.