Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, fleet in Thousands	3 Months Ended		4 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($) state segment	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) segment state	Dec. 31, 2022 USD ($) fleet segment state	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares
Concentration Risk [Line Items]
Adjustment for immaterial error correction	$ (288,891,000)		$ (288,891,000)	$ (288,891,000)	$ (361,810,000)	$ (188,896,000)
Restricted cash	19,823,000		19,823,000	19,823,000	150,000
Allowance for doubtful accounts	12,200,000		12,200,000	12,200,000
Inventory reserve for obsolescence	40,000.00		$ 40,000.00	$ 40,000.00	$ 2,900,000
Property and equipment, useful life				30 years
Impairment charges	$ 900,000
Impairment of goodwill		$ 8,600,000
Expected term (in years)				6 years 3 months	6 years 3 months
Exercise price of warrants (in dollars per share) | $ / shares					$ 0.01	$ 11.50
Number of reportable segments | segment			3	3
Number of operating segments | segment	1			3
Number of customers | fleet				51
Number of states in which entity operates | state	16		16	16
Number of systems, company provides management services (over) | fleet				30
Deferred revenue	$ 208,000		$ 208,000	$ 208,000	$ 237,000
Deferred revenue recognized				29,000	0
Commission expense recognized				837,000	834,000
Capitalized commissions				0	$ 0
Common shares issued upon exercise of warrants (in shares) | shares					7,441,020	4,233,333
Noncontrolling Interest
Concentration Risk [Line Items]
Adjustment for immaterial error correction	(8,942,000)		(8,942,000)	(8,942,000)
Noncontrolling Interest | Revision of Prior Period, Error Correction, Adjustment
Concentration Risk [Line Items]
Adjustment for immaterial error correction	2,900,000		2,900,000	2,900,000
Additional Paid-In Capital
Concentration Risk [Line Items]
Adjustment for immaterial error correction	(473,277,000)		(473,277,000)	(473,277,000)	$ (461,207,000)	$ (317,084,000)
Additional Paid-In Capital | Revision of Prior Period, Error Correction, Adjustment
Concentration Risk [Line Items]
Adjustment for immaterial error correction	(2,900,000)		(2,900,000)	(2,900,000)
Restrictions Based On Financing Agreements and Consolidated VIEs
Concentration Risk [Line Items]
Restricted cash	19,700,000		19,700,000	19,700,000
Discontinued Operations
Concentration Risk [Line Items]
Impairment of goodwill				8,606,000	0
Discontinued Operations | Drivetrain
Concentration Risk [Line Items]
Inventory, net	498,000		498,000	498,000	13,482,000
Discontinued Operations | Drivetrain and XL Disposal Groups
Concentration Risk [Line Items]
Inventory, net	$ 2,300,000		$ 2,300,000	$ 2,300,000	18,100,000
Share-Based Payment Arrangement, Option
Concentration Risk [Line Items]
Vesting term				4 years
Other Property and Equipment
Concentration Risk [Line Items]
Depreciation expense				$ 783,000	653,000
Property, Plant and Equipment
Concentration Risk [Line Items]
Depreciation expense					$ 6,500,000