LEASES (Tables)

6 Months Ended

Jun. 30, 2021

Leases [Abstract]

Lease, Cost

The following table summarizes activity related to our leases (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2021		2020		2021
Operating lease expense	$	886	$	1,401	$	1,913	$	2,592
Variable lease expense	175		245		472		445
Short-term lease expense	45		25		157		50

The following table presents our weighted average borrowing rate and weighted average lease term:

	June 30, 2020		June 30, 2021
Weighted average borrowing rate	3.4	%	3.4	%
Weighted average remaining lease term (years)	3.8		2.7

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table summarizes future maturities of lease liabilities as of June 30, 2021 (in thousands):

	Amount
2021 (remainder of year)	$	3,164
2022	5,808
2023	3,476
2024	1,818
Thereafter	611
Total lease payments	14,877
Imputed interest	659
Total operating lease liabilities	$	14,218