Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2021		Dec. 31, 2020
Deferred tax assets
Loss carryforwards		$ 412,023	[1]	$ 423,013
Tax credits		39,767	[2]	88,433
Accrued expenses		68,757		47,569
Pension plan benefits expense		17,140		21,735
Warranty reserves		9,302		11,083
Depreciation and amortization		94,917		6,363
Equity compensation		6,126		4,701
Inventory valuation		2,593		1,799
Deferred revenue		11,534		9,705
Interest		17,971		0
Leases		9,460		10,872
Other deferred tax assets, net		9,062		10,817
Total deferred tax assets		698,652		636,090
Valuation allowance		(443,593)	[1]	(503,859)
Total deferred tax assets, net of valuation allowance		255,059		132,231
Deferred tax liabilities
Depreciation and amortization		(56,897)		(39,995)
Leases		(8,489)		(10,046)
Other deferred tax liabilities, net		(10,201)		(7,969)
Total deferred tax liabilities		(75,587)		(58,010)
Net deferred tax assets		179,472		$ 74,221
Deferred tax assets, tax credit carryforwards, general business	[2]	53,300
Deferred tax assets, tax credit carryforwards, foreign	[2]	1,600
Deferred tax assets, tax credit carryforwards, other	[2]	39,300
U.S. federal
Deferred tax liabilities
Loss carryforwards by Jurisdiction	[1]	4,800
LUXEMBOURG
Deferred tax liabilities
Loss carryforwards by Jurisdiction	[1]	$ 1,300,000

[1] For tax return purposes at December 31, 2021, we had U.S. federal loss carryforwards of $4.8 million, which begin to expire in the year 2022. At December 31, 2021, we have net operating loss carryforwards in Luxembourg of $1.3 billion, the majority of which can be carried forward indefinitely, offset by a full valuation allowance. The remaining portion of the loss carryforwards are composed primarily of losses in various other state and foreign jurisdictions. The majority of these losses can be carried forward indefinitely. At December 31, 2021, there was a valuation allowance of $443.6 million primarily associated with foreign loss carryforwards.

[2] For tax return purposes at December 31, 2021, we had: (1) U.S. general business credits of $53.3 million, which begin to expire in 2028; (2) U.S. foreign tax credits of $1.6 million, which begin to expire in 2025; and (3) state tax credits of $39.3 million, which begin to expire in 2022.