Commitments and Contingencies (Details) $ in Thousands			9 Months Ended
	Nov. 30, 2023 USD ($)	Oct. 27, 2023 USD ($)	Nov. 30, 2023 USD ($) a
Commitments and Contingencies Disclosure [Abstract]
Loss contingency accrual	$ 5,750		$ 5,750
Amount awarded to other party	4,500	$ 4,500	5,750
Decrease in accounts receivable due to forgiveness			3,700
Loss contingency, receivable, current	5,200		5,200
Appeal process duration (in years)		2 years
Environment liability	22,000		22,000
Environmental liability, current	$ 3,200		$ 3,200
Area of facility (in acres) | a			25
Percent of output under take-or-pay contract	0.75		0.75
Unrecorded purchase obligation	$ 125,800		$ 125,800
Construction timeline term			2 years
Long-term purchase commitment, amount			$ 48,400
Purchase obligation to be paid in year one	$ 71,200		71,200
Purchase obligations			$ 33,600