Fair Value Measurements Information About Fair Value Measurements Using Significant Unobservable Inputs (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2016 USD ($)
Discounted Cash Flow Valuation Technique | Securitized Beneficial Interests
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair value of unobservable inputs	$ 21,081
Discounted Cash Flow Valuation Technique | Tobacco Supplier Guarantees One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair value of unobservable inputs	$ 4,051
Discounted Cash Flow Valuation Technique | Minimum | Securitized Beneficial Interests
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Securitized Market Rate	3.94%
Payment Speed	82 days
Discounted Cash Flow Valuation Technique | Minimum | Tobacco Supplier Guarantees One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Market Interest Rate	16.50%
Discounted Cash Flow Valuation Technique | Maximum | Securitized Beneficial Interests
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Securitized Market Rate	4.25%
Payment Speed	101 days
Discounted Cash Flow Valuation Technique | Maximum | Tobacco Supplier Guarantees One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Market Interest Rate	38.00%
Historical Loss Valuation Technique | Tobacco Supplier Guarantees One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair value of unobservable inputs	$ 708
Historical Loss Valuation Technique | Minimum | Tobacco Supplier Guarantees One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Historical Loss	9.90%
Historical Loss Valuation Technique | Maximum | Tobacco Supplier Guarantees One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Historical Loss	15.92%