Fair Value Measurements Textuals (Details) (USD $) In Thousands, unless otherwise specified	Jun. 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	$ 30
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 20 percent adverse change in other assumption	59
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	350
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 20 percent adverse change in other assumption	700
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	496
Sensitivity analysis of fair value, transferor's interests in transferred financial assets, impact of 20 percent adverse change in other assumption	$ 981