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Loans sales and securitizations (Details Textuals) (USD $)
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3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||
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Dec. 31, 2012
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Mar. 31, 2012
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Sep. 30, 2011
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Jun. 30, 2013
Residential Mortgage [Member]
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Jun. 30, 2012
Residential Mortgage [Member]
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Jun. 30, 2013
Residential Mortgage [Member]
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Jun. 30, 2012
Residential Mortgage [Member]
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Dec. 31, 2012
Residential Mortgage [Member]
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Jun. 30, 2013
Automobile Loan [Member]
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Jun. 30, 2012
Automobile Loan [Member]
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Jun. 30, 2013
Automobile Loan [Member]
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Jun. 30, 2012
Automobile Loan [Member]
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Dec. 31, 2012
Automobile Loan [Member]
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| Loans sales and securitizations (Textuals) [Abstract] | |||||||||||||
| Servicing income | $ 10,900,000 | $ 11,600,000 | $ 22,100,000 | $ 23,400,000 | $ 2,600,000 | $ 2,100,000 | $ 5,400,000 | $ 3,300,000 | |||||
| Total of automobile loans transferred in securitization transactions (not used) | 1,000,000,000 | 1,300,000,000 | 1,000,000,000 | ||||||||||
| Unpaid principal balance of third party serviced loans (not used) | $ 15,200,000,000 | $ 15,200,000,000 | $ 15,600,000,000 | $ 2,000,000,000 | $ 2,000,000,000 | $ 2,500,000,000 | |||||||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Total Of Automobile Loans Transferred In A Securitization Transaction. No definition available.
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| X | ||||||||||
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- Definition
Unpaid Principal Balance Of Third Party Serviced Loans No definition available.
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| X | ||||||||||
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- Definition
The total amount of contractually specified servicing fees, late fees, and ancillary fees earned for each period for which results of operations are presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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