Fair Value Measurements Textuals (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Securitized Beneficial Interests [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 10 percent adverse change in other assumption	$ 117
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 20 percent adverse change in other assumption	235
Guarantees [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 10 percent adverse change in other assumption	320
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 20 percent adverse change in other assumption	640
Guarantees of Unconsolidated Subsidiary [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 10 percent adverse change in other assumption	524
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 20 percent adverse change in other assumption	$ 1,037