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Loans sales and securitizations (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Summarize the changes in MSRs using the fair value method | ||||||||||||||
| Fair value, beginning of period | $ 35,202 | $ 65,001 | ||||||||||||
| Change in fair value during the period due to: | ||||||||||||||
| Time decay | 2,648 | [1] | 2,881 | [1] | ||||||||||
| Payoffs | 11,851 | [2] | 14,389 | [2] | ||||||||||
| Changes in valuation inputs or assumptions | 13,533 | [3] | (12,529) | [3] | ||||||||||
| Fair value, end of period | 34,236 | 35,202 | ||||||||||||
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Residential Mortgage [Member]
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| Summarizes activity relating to loans sold securitized with servicing retained | ||||||||||||||
| Loans sold with servicing retained | 3,221,239 | 3,954,762 | 3,078,475 | |||||||||||
| Pretax gains resulting from above loan sales | 102,935 | [4] | 128,408 | [4] | 77,591 | [4] | ||||||||
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Residential Mortgage [Member] | Fair value method
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| Change in fair value during the period due to: | ||||||||||||||
| Weighted-average life (in years) | 4 years 3 months 0 days | 3 years 2 months 0 days | ||||||||||||
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Residential Mortgage [Member] | Amortization method
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| Change in fair value during the period due to: | ||||||||||||||
| Weighted-average life (in years) | 6 years 9 months 0 days | 3 years 3 months 0 days | ||||||||||||
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Automobile Loan [Member]
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| Summarizes activity relating to loans sold securitized with servicing retained | ||||||||||||||
| Loans sold with servicing retained | 0 | 169,324 | 0 | |||||||||||
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Automobile Loan [Member] | Amortization method
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| Change in fair value during the period due to: | ||||||||||||||
| Weighted-average life (in years) | 3 years 7 months 0 days | 4 years 4 months 0 days | ||||||||||||
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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 | $ 178,874 | $ 209,540 | $ 234,803 | |||||||||||
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Small Business Association (SBA) Loan [Member] | Amortization method
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| Change in fair value during the period due to: | ||||||||||||||
| Weighted-average life (in years) | 3 years 6 months 0 days | 3 years 6 months 0 days | ||||||||||||
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