Variable Interest Entities - Additional Information (Details) - USD ($)	6 Months Ended	12 Months Ended
	Aug. 31, 2019	Feb. 28, 2019
Variable Interest Entity [Line Items]
Notes, Loans and Financing Receivable, Net, Noncurrent	1.50
Long-term debt, net of debt issuance costs	$ 5,958,000	$ 5,776,000
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Debt Instrument, Interest Rate During Period	2.50%	10.00%
Line of Credit Facility, Maximum Borrowing Capacity	$ 55,000,000
Long-term debt, net of debt issuance costs	$ 49,996,000