Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Income taxes payable	$ 43,000,000	$ 33,100,000
Valuation allowance	26,400,000	1,100,000
Deferred tax liability related to foreign withholding taxes	4,600,000
Unrecognized tax benefits	300,000	$ 200,000	$ 0
Shift Technologies Inc.
Operating Loss Carryforwards [Line Items]
Valuation allowance	24,300,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Valuation allowance, state net operating loss carryforwards	2,100,000
Increase of NOL valuation allowance	1,000,000
State operating loss carryforwards	$ 3,700,000

Operating Loss Carryforwards, Valuation Allowance, Increase (Decrease), Amount

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.

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Amount of unrecognized tax benefits.

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