LEASES

6 Months Ended

Jun. 30, 2022

6. LEASES

We have operating leases primarily consisting of office and lab space, machinery and equipment and vehicles. The components of lease expense are as follows (in thousands):


	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2022			2021			2022			2021
Operating lease expense	$	4,098		$	4,283		$	8,267		$	8,632
Short-term lease expense		397			460			821			831
Variable lease expense		351			339			764			771
Total lease expense	$	4,846		$	5,082		$	9,852		$	10,234
Other information:
Operating cash flows from operating leases	$	4,347		$	4,329		$	8,953		$	8,198
Right of use assets obtained in exchange for new operating lease obligations	$	953		$	1,237		$	3,996		$	3,649
Weighted-average remaining lease term - operating leases	7.22 years			8.14 years			7.22 years			8.14 years
Weighted-average discount rate - operating leases		4.55	%		4.66	%		4.55	%		4.66	%

Scheduled undiscounted lease payments for non-cancellable leases consist of the following (in thousands):


	June 30, 2022
Remainder of 2022	$	7,281
2023		12,786
2024		9,883
2025		8,301
2026		6,761
Thereafter		22,336
Total undiscounted lease payments		67,348
Less: Imputed interest		(10,109	)
Total operating lease liabilities	$	57,239