Subsequent Events - Additional Information (Detail) $ in Thousands, $ in Thousands				3 Months Ended
	May 04, 2021 USD ($)	May 04, 2021 CAD ($)	Apr. 29, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	May 04, 2021 CAD ($)	Apr. 30, 2021 USD ($)
Subsequent Event [Line Items]
Repayment of senior facility				$ 1,309	$ 414
Subsequent Event [Member]
Subsequent Event [Line Items]
Financial advisor transaction fee							$ 9,200
Subsequent Event [Member] | Senior Secured Term Loan Facility [Member]
Subsequent Event [Line Items]
Repayment of senior facility	$ 52,069	$ 64,000
Accrued and unpaid interest and fees	494					$ 610
Prepayment fee	$ 1,070					$ 1,320
Supply Agreement [Member]
Subsequent Event [Line Items]
Purchase commitments removed amount				$ 59,700
Supply Agreement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Cash paid in arbitration			$ 20,000
Cash payable in arbitration			20,000
Supply Agreement [Member] | Class 2 common stock [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock value issued in arbitration			5,000
Common stock value payable in arbitration			$ 15,000