Commitments and Contingencies (Details)		1 Months Ended
	Mar. 31, 2020 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	Aug. 31, 2021 USD ($)	Jul. 31, 2021 USD ($)	Oct. 31, 2020	Feb. 29, 2020 USD ($)	Oct. 31, 2018 USD ($)	Mar. 31, 2024 USD ($) letterOfCredit	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Accrued penalties										$ 3,787,000	$ 3,929,000
Number of outstanding letters of credit | letterOfCredit										4
Outstanding letters of credit amount										$ 1,400,000
Restricted cash										3,165,000	3,836,000	$ 3,722,000
Jerome Treadwell v. The Company
Loss Contingencies [Line Items]
Recovery per negligent violation									$ 1,000
Recovery per intentional or reckless violation									$ 5,000
Stay case term							60 days
Estimated liability										2,400,000	2,400,000
Mast Powertrain v. The Company
Loss Contingencies [Line Items]
Estimated liability										900,000	900,000
Damages sought	$ 4,500,000	$ 6,000,000						$ 9,000,000
Litigation settlement payment						$ 1,500,000
Accrued penalties										0		$ 0
Gary Winemaster v. The Company
Loss Contingencies [Line Items]
Damages sought					$ 7,200,000
Legal settlement					$ 8,800,000
Accrued reimbursement										$ 8,800,000	$ 8,800,000
Jeffrey Ehlers Litigation
Loss Contingencies [Line Items]
Damages sought				$ 2,400,000
Litigation settlement payment			$ 800,000
Rick Lulloff Litigation
Loss Contingencies [Line Items]
Damages sought				$ 1,200,000
Litigation settlement payment			$ 500,000