Commitments and Contingencies (Details)	1 Months Ended					7 Months Ended	9 Months Ended
	Oct. 31, 2020 USD ($)	May 31, 2020 USD ($)	Feb. 29, 2020 USD ($)	Oct. 31, 2018 USD ($)	Apr. 30, 2017 USD ($) shares	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) letter_of_credit	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Apr. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)
Loss Contingencies [Line Items]
Accrued penalties						$ 2,535,000	$ 2,535,000	$ 5,020,000
Insurance coverage							$ 30,000,000
Number of outstanding letters of credit | letter_of_credit							6
Outstanding letters of credit amount						2,800,000	$ 2,800,000
Restricted cash						3,299,000	3,299,000	$ 0	$ 0
Purchase commitment, penalty for not purchasing							$ 4,000,000.0
Securities and Exchange Commission and United States Attorney’s Office for the Northern District of Illinois Investigations
Loss Contingencies [Line Items]
Accrued penalties											$ 1,700,000
Securities and Exchange Commission and United States Attorney’s Office for the Northern District of Illinois Investigations | Subsequent Event
Loss Contingencies [Line Items]
Litigation settlement payment	$ 1,700,000
Dorvit v. Winemaster | Settled Litigation
Loss Contingencies [Line Items]
Damages sought										$ 1,900,000
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
Don Wilkins V. The Company
Loss Contingencies [Line Items]
Damages sought					$ 2,000,000.0
Don Wilkins V. The Company | Settled Litigation
Loss Contingencies [Line Items]
Litigation settlement payment		$ 900,000
Don Wilkins V. The Company | Settled Litigation | Chief Executive Officer
Loss Contingencies [Line Items]
Litigation settlement payment		$ 1,100,000
Don Wilkins V. The Company | Restricted Stock
Loss Contingencies [Line Items]
Damages sought (in shares) | shares					20,000
Mast Powertrain v. The Company
Loss Contingencies [Line Items]
Damages sought			$ 9,000,000.0			$ 4,500,000