LEASES

3 Months Ended

Mar. 31, 2022

Leases [Abstract]

LEASES

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
	March 31,
	2022			2021
Operating lease expense	$	4,169		$	4,349
Short-term lease expense		424			371
Variable lease expense		413			432
Total lease expense	$	5,006		$	5,152
Other information:
Operating cash flows from operating leases	$	4,621		$	3,919
Right of use assets obtained in exchange for new operating lease obligations	$	2,415		$	1,881
Weighted-average remaining lease term - operating leases	7.35 years			8.32 years
Weighted-average discount rate - operating leases		4.59	%		4.59	%

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

	March 31, 2022
Remainder of 2022	$	11,273
2023		12,377
2024		9,564
2025		8,059
2026		6,699
Thereafter		22,536
Total undiscounted lease payments		70,508
Less: Imputed interest		(10,956	)
Total operating lease liabilities	$	59,552