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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Summary of Operating Lease Expense

Our lease expense comprises of the following (in thousands):

		Year Ended December 31,
		2022				2021				2020
Operating lease expense		$	6,222			$	6,265			$	6,267

Summary of Balance Sheet Classification of Operating Lease Liabilities

The balance sheet classification of our operating lease liabilities was as follows (in thousands):

		December 31, 2022				December 31, 2021
Operating lease liabilities:
Current portion of lease liabilities (included in other current liabilities)		$	3,631			$	2,577
Long-term portion of lease liabilities			32,801				34,316
Total operating lease liabilities		$	36,432			$	36,893

Summary of Maturities of Sublease Income and Operating Lease Liabilities

At December 31, 2022, the maturities of our sublease income and operating lease liabilities were as follows (in thousands):

Years ending December 31,		Sublease Income				Operating Lease Liabilities
2023		$	5,518			$	6,943
2024			5,684				7,073
2025			5,854				6,448
2026			6,030				5,875
2027			6,211				6,033
Thereafter			21,500				21,203
Total		$	50,797				53,575
Less:
Present value adjustment							(17,143	)
Total						$	36,432

Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rate

The weighted average remaining lease term and the weighted average discount rate used to determine the operating lease liability were as follows:

		December 31, 2022				December 31, 2021
Weighted average remaining lease term		7.6 years				9.1 years
Weighted average discount rate			10.1	%			10.1	%

Schedule of Material Purchase Commitments

The following summarizes our material purchase commitments at December 31, 2022 and the effect those obligations are expected to have on our liquidity and cash flows in future periods (in thousands):

Years ending December 31,		(in thousands)
2023		$	9,312
2024			10,857
2025			11,367
2026			11,872
2027			—
Thereafter			—
Total		$	43,408

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Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

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