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Loans sales and securitizations (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||
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Jun. 30, 2014
Fair value method
Residential Mortgage [Member]
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Dec. 31, 2013
Fair value method
Residential Mortgage [Member]
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Jun. 30, 2014
Amortization method
Residential Mortgage [Member]
|
Dec. 31, 2013
Amortization method
Residential Mortgage [Member]
|
Jun. 30, 2014
Amortization method
Automobile Loan [Member]
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Dec. 31, 2013
Amortization method
Automobile Loan [Member]
|
Jun. 30, 2014
Amortization method
Small Business Association (SBA) Loan [Member]
|
Dec. 31, 2013
Amortization method
Small Business Association (SBA) Loan [Member]
|
Jun. 30, 2014
Residential Mortgage [Member]
|
Jun. 30, 2013
Residential Mortgage [Member]
|
Jun. 30, 2014
Residential Mortgage [Member]
|
Jun. 30, 2013
Residential Mortgage [Member]
|
Jun. 30, 2014
Residential Mortgage [Member]
Fair value method
|
Jun. 30, 2013
Residential Mortgage [Member]
Fair value method
|
Jun. 30, 2014
Residential Mortgage [Member]
Fair value method
|
Jun. 30, 2013
Residential Mortgage [Member]
Fair value method
|
Jun. 30, 2014
Residential Mortgage [Member]
Amortization method
|
Sep. 30, 2013
Residential Mortgage [Member]
Amortization method
|
Jun. 30, 2014
Residential Mortgage [Member]
Amortization method
|
Jun. 30, 2013
Residential Mortgage [Member]
Amortization method
|
Jun. 30, 2014
Automobile Loan [Member]
|
Jun. 30, 2013
Automobile Loan [Member]
|
Jun. 30, 2014
Automobile Loan [Member]
|
Jun. 30, 2013
Automobile Loan [Member]
|
Jun. 30, 2014
Automobile Loan [Member]
Amortization method
|
Jun. 30, 2013
Automobile Loan [Member]
Amortization method
|
Jun. 30, 2014
Automobile Loan [Member]
Amortization method
|
Jun. 30, 2013
Automobile Loan [Member]
Amortization method
|
Jun. 30, 2014
Small Business Association (SBA) Loan [Member]
|
Jun. 30, 2013
Small Business Association (SBA) Loan [Member]
|
Jun. 30, 2014
Small Business Association (SBA) Loan [Member]
|
Jun. 30, 2013
Small Business Association (SBA) Loan [Member]
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| Summarizes activity relating to loans sold securitized with servicing retained | ||||||||||||||||||||||||||||||||
| Loans sold with servicing retained | $ 45,229 | $ 39,378 | $ 86,101 | $ 66,286 | ||||||||||||||||||||||||||||
| Summarize the changes in servicing rights using the amortization method | ||||||||||||||||||||||||||||||||
| Carrying value, beginning of year | 132,651 | 104,345 | 128,064 | 85,545 | 14,357 | 30,436 | 17,672 | 35,606 | 17,028 | 14,894 | 16,865 | 15,147 | ||||||||||||||||||||
| New servicing assets created | 5,578 | 9,465 | 10,631 | 18,750 | 0 | 0 | 0 | 0 | 1,526 | 1,344 | 2,861 | 2,227 | ||||||||||||||||||||
| Servicing assets acquired | 0 | 0 | 3,505 | 0 | ||||||||||||||||||||||||||||
| Impairment charge/(recovery) | (3,685) | 7,940 | (7,027) | 21,591 | 0 | 0 | 0 | 0 | ||||||||||||||||||||||||
| Amortization and other | (1,431) | (3,772) | (2,060) | (7,908) | (2,842) | (4,748) | (6,157) | (9,918) | (1,362) | (1,018) | (2,534) | (2,154) | ||||||||||||||||||||
| Carrying value, end of period | 133,113 | 117,978 | 133,113 | 117,978 | 11,515 | 25,688 | 11,515 | 25,688 | 17,192 | 15,220 | 17,192 | 15,220 | ||||||||||||||||||||
| Fair value, end of period | 139,915 | 129,050 | 139,915 | 129,050 | 11,846 | 25,742 | 11,846 | 25,742 | 17,192 | 15,220 | 17,192 | 15,220 | ||||||||||||||||||||
| Weighted-average life (in years) | 3 years 11 months 0 days | 4 years 2 months 0 days | 3 years 11 months 0 days | 4 years 2 months 0 days | 5 years 11 months 0 days | 6 years 5 months 0 days | 5 years 11 months 0 days | 6 years 5 months 0 days | 3 years 0 months 0 days | 3 years 10 months 0 days | 3 years 0 months 0 days | 3 years 10 months 0 days | 3 years 6 months 0 days | |||||||||||||||||||
| Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items] | ||||||||||||||||||||||||||||||||
| Constant pre-payment rate, actual | 14.10% | 11.90% | 8.20% | 6.70% | 14.64% | 14.65% | 5.70% | 5.90% | ||||||||||||||||||||||||
| Constant pre-payment rate, 10% adverse change | (1,871) | (1,935) | (6,901) | (6,813) | (429) | (584) | (197) | (221) | ||||||||||||||||||||||||
| Constant pre-payment rate, 20% adverse change | (3,700) | (3,816) | (13,520) | (12,977) | (770) | (1,183) | (391) | (438) | ||||||||||||||||||||||||
| Spread over forward interest rate swap rates, actual | 10.94% | 10.69% | 9.50% | 9.40% | 5.00% | 5.00% | 15.00% | 1500.00% | ||||||||||||||||||||||||
| Spread over forward interest rate swap rates, 10% adverse change | (1,026) | (1,376) | (5,661) | (6,027) | (4) | (7) | (511) | (446) | ||||||||||||||||||||||||
| Spread over forward interest rate swap rates, 20% adverse change | $ (2,051) | $ (2,753) | $ (11,323) | $ (12,054) | $ (7) | $ (15) | $ (1,001) | $ (873) | ||||||||||||||||||||||||