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Income Taxes - Summary of Operating Loss Carryforwards (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Total operating loss carryforwards	$ 292,732	$ 399,795
Federal
Operating Loss Carryforwards [Line Items]
Total operating loss carryforwards	120,130	197,607
State
Operating Loss Carryforwards [Line Items]
Total operating loss carryforwards	147,539	166,196
Foreign
Operating Loss Carryforwards [Line Items]
Total operating loss carryforwards	$ 25,063	$ 35,992

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

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+ References

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