Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedule of Components of Lease Expense, Other Operating Lease Information, and Supplemental Cash Flow Information

The components of lease costs were as follows (in thousands):

	Year Ended December 31,				Nine Months Ended September 30,
	2019		2020		2020		2021
					(unaudited)
Operating lease cost	$	2,133	$	2,932	$	1,310	$	2,712
Short-term lease cost	562		656		328		402
Variable lease cost	484		501		240		586
Total lease cost	$	3,179	$	4,089	$	1,878	$	3,700

Other information related to operating and finance leases is as follows:

	Year Ended December 31,				Nine Months Ended September 30,
	2019		2020		2020		2021
					(unaudited)
Weighted-average remaining lease term (in years)	3.5		5.2		4.8		4.5
Weighted-average discount rate	7.8	%	5.6	%	6.6	%	3.8	%

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

	Year Ended December 31,				Nine Months Ended September 30,
	2019		2020		2020		2021
					(unaudited)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	2,152	$	2,920	$	2,079	$	2,636
ROU assets obtained in exchange for lease obligations:
Operating leases	$	2,287	$	3,503	$	3,224	$	3,142

Schedule of Future Lease Payments Under Non-Cancellable Leases

Future lease payments under non-cancellable leases recorded as of September 30, 2021, were as follows (in thousands):

	Operating Leases
	(unaudited)
2021	$	834
2022	3,732
2023	3,208
2024	2,576
2025	2,003
Thereafter	1,703
Total lease payments	14,056
Less: imputed interest	(1,046)
Total future lease payments under non-cancellable leases	$	13,010