Leases (Tables)

6 Months Ended

Jun. 30, 2021

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

	Balance Sheet Line Item	June 30, 2021			December 31, 2020
Assets
Finance:
Right-of-use assets - cost		$	2,007		$	50,477
Accumulated amortization			(1,146	)		(20,871	)
Finance lease right-of-use assets, net	Finance lease right-of-use assets		861			29,606
Operating:
Right-of-use assets - cost			100,705			3,934
Accumulated amortization			(3,614	)		(1,891	)
Operating lease right-of-use assets, net	Operating lease right-of-use assets		97,091			2,043
Total lease assets		$	97,952		$	31,649

Liabilities
Current:
Finance lease liabilities	Finance lease liabilities, current	$	23		$	12,330
Operating lease liabilities	Operating lease liabilities, current		10,718			1,188
Non-current:
Finance lease liabilities	Finance lease liabilities, non-current		6			25,391
Operating lease liabilities	Operating lease liabilities, non-current		94,196			853
Total lease liabilities		$	104,943		$	39,762

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

		Three Months Ended June 30,						Six Months Ended June 30,
	Statement of Operations Line Item	2021			2020			2021			2020
Finance lease cost:
Amortization of right-of-use assets	Cost of goods sold; Research and development; Selling, general and administrative expenses	$	1,777		$	2,653		$	4,393		$	5,247
Interest on lease liabilities	Interest expense		242			534			627			1,049
Operating lease cost	Cost of goods sold; Research and development; Selling, general and administrative expenses		1,744			255			2,162			564
Sublease income	Selling, general and administrative expenses		(275	)		(306	)		(575	)		(598	)
Total lease cost		$	3,488		$	3,136		$	6,607		$	6,262

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

	Six Months Ended June 30,
	2021			2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	2,246		$	433
Operating cash flows from finance leases		628			1,010
Financing cash flows from finance leases		5,326			5,992
Non-cash: Right-of-use assets obtained in exchange for new lease liabilities:
Finance leases		303			144
Operating leases		3,498			5
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:

	June 30, 2021			December 31, 2020
Weighted-average remaining lease term (years):
Finance leases		1.3			2.9
Operating leases		7.3			1.8
Weighted-average discount rate:
Finance leases		4.55	%		4.39	%
Operating leases		4.75	%		4.74	%

Maturities of lease liabilities as of June 30, 2021 are as follows (in thousands):

Year Ending December 31,	Finance Leases			Operating Leases
2021 (remaining six month period)	$	16		$	7,534
2022		11			15,517
2023		3			13,454
2024		—			16,798
2025		—			18,193
Beyond 2025		—			53,881
Total future lease payments		30			125,377
Less: Interest		(1	)		(20,463	)
Present value of lease liabilities	$	29		$	104,914