Leases

3 Months Ended

Mar. 31, 2022

(8) 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 18 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):


	Three Months Ended March 31,
	2022		2021
Operating lease cost	$	6,500	$	5,730
Variable lease cost		2,016		1,704

Supplemental cash flow information related to the leases was as follows (in thousands):


	Three Months Ended March 31,
	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	3,806	$	3,422

Right-of-use assets obtained in exchange for lease obligations:
Operating leases		17,745		2,672

Supplemental balance sheet information related to the leases was as follows (in thousands):


	As of
	March 31,			December 31,
	2022			2021
Operating lease right-of-use assets	$	141,638		$	129,558

Other current liabilities	$	18,460		$	16,276
Operating lease liabilities		141,624			130,965
Total operating lease liabilities	$	160,084		$	147,241

Weighted Average Remaining Lease Term (years)
Operating leases	11.4				12.0
Weighted Average Discount Rate
Operating leases		5.3	%		5.5	%

Lease payments due related to lease liabilities as of March 31, 2022 were as follows (in thousands):


	Related Party			Non-Related Parties			Total
	Operating Leases			Operating Leases			Operating Leases
Remainder of 2022	$	8,186		$	10,731		$	18,917
2023		11,025			14,284			25,309
2024		11,154			11,269			22,423
2025		11,286			8,910			20,196
2026		11,422			7,506			18,928
Later years		106,988			10,612			117,600
Total lease payments		160,061			63,312			223,373
Less: imputed interest		(57,504	)		(5,785	)		(63,289	)
Total	$	102,557		$	57,527		$	160,084

As of March 31, 2022, we have several additional leases with contractual obligations, which have not yet commenced, with future payments of $0.1 million.