Leases (Tables)

12 Months Ended

Dec. 31, 2021

The Company’s lease assets and related lease liabilities were as follows (in thousands):

		December 31,
	Balance Sheet Line Item	2021			2020
Assets
Finance:
Right-of-use assets cost		$	2,165		$	50,477
Accumulated amortization			(1,404	)		(20,871	)
Finance lease right-of-use assets, net	Finance lease right-of-use assets		761			29,606
Operating:
Right-of-use assets cost			100,912			3,934
Accumulated amortization			(9,800	)		(1,891	)
Operating lease right-of-use assets, net	Operating lease right-of-use assets		91,112			2,043
Total lease assets		$	91,873		$	31,649

Liabilities
Current:
Finance lease liabilities	Finance lease liabilities, current	$	11		$	12,330
Operating lease liabilities	Operating lease liabilities, current		10,944			1,188
Non-current:
Finance lease liabilities	Finance lease liabilities, non-current		3			25,391
Operating lease liabilities	Operating lease liabilities, non-current		88,776			853
Total lease liabilities		$	99,734		$	39,762

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

		Years Ended December 31,
	Statement of Operations Line Item	2021			2020			2019
Finance lease cost:
Amortization of right-of-use assets	Cost of goods sold; Research and development; Selling, general and administrative expenses	$	4,639		$	10,369		$	10,307
Interest on lease liabilities	Interest expense		628			1,932			2,373
Operating lease cost	Cost of goods sold; Research and development; Selling, general and administrative expenses		10,722			1,151			891
Sublease income	Selling, general and administrative expenses		(1,271	)		(1,201	)		(1,385	)
Total lease cost		$	14,718		$	12,251		$	12,186

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

	Years Ended December 31,
	2021			2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	10,022		$	951	$	914
Operating cash flows from finance leases		629			1,896		2,196
Financing cash flows from finance leases		5,489			12,620		11,925
Non-cash: Right-of-use assets obtained in exchange for new lease liabilities:
Finance leases		450			662		49,909
Operating leases		3,585			1,072		2,736
Non-cash: Increase (decrease) resulting from lease modification:
Finance lease right-of-use assets		(24,654	)		—		—
Operating lease right-of-use assets		93,222			—		—
Finance lease liabilities, current		(12,587	)		—		—
Operating lease liabilities, current		9,221			—		—
Finance lease liabilities, non-current		(20,009	)		—		—
Operating lease liabilities, non-current	$	91,943		$	—	$	—

Lease term and discount rate were as follows:

	December 31,
	2021			2020
Weighted-average remaining lease term (years):
Finance leases		1.1			2.9
Operating leases		6.8			1.8
Weighted-average discount rate:
Finance leases		4.64	%		4.39	%
Operating leases		4.75	%		4.74	%

Maturities of lease liabilities as of December 31, 2021 are as follows (in thousands):

Year Ending December 31,	Finance Leases			Operating Leases
2022	$	12		$	15,387
2023		3			13,469
2024		—			16,810
2025		—			18,205
2026		—			18,005
Beyond 2026		—			35,877
Total future lease payments		15			117,753
Less: Interest		(1	)		(18,033	)
Present value of lease liabilities	$	14		$	99,720