Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of Lease Costs and Supplemental Cash Flow Information of Operating Leases

The following table summarizes the Company’s lease costs and supplemental cash flow information related to its operating leases (in thousands):

	Years Ended December 31,
	2021			2020			2019
Operating lease cost	$	9,729		$	5,246		$	3,040
Variable lease cost		2,348			1,104			666
Total lease cost	$	12,077		$	6,350		$	3,706
Cash paid (received) for amounts included in    operating lease liabilities	$	(6,765	)	$	(678	)	$	2,724
Right-of-use assets acquired through operating    lease liabilities	$	1,955		$	56,956		$	5,114

Weighted-Average Remaining Lease Term and Weighted-Average Discount Rate of Operating Leases

The weighted-average remaining lease term and weighted-average discount rate of the Company’s operating leases were as follows:

	As of December 31,
	2021			2020
Weighted-average remaining lease term (years)		13.2			13.7
Weighted-average discount rate		5.6	%		5.6	%

Reconciliation of Undiscounted Future Minimum Lease Payments Remaining Operating Leases

The following table presents a reconciliation of the undiscounted future minimum lease payments remaining under the Company’s operating leases to the amounts reported as operating lease liabilities on the consolidated balance sheet as of December 31, 2021 (in thousands):

	As of
	December 31, 2021
Undiscounted future minimum lease payments:
2022	$	6,556
2023		9,163
2024		10,224
2025		10,383
2026		10,388
Thereafter		83,050
Total undiscounted future minimum lease payments	$	129,764
Amount representing imputed interest		(41,619	)
Tenant improvement allowance not yet received		(1,464	)
Total operating lease liabilities		86,681
Current portion of operating lease liabilities		(1,752	)
Operating lease liabilities, non-current	$	84,929