Quarterly report pursuant to Section 13 or 15(d)

Loans sales and securitizations (Details 1)

v2.4.0.8
Loans sales and securitizations (Details 1) (USD $)
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 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2014
Fair value method
Residential Mortgage [Member]
Dec. 31, 2013
Fair value method
Residential Mortgage [Member]
Sep. 30, 2014
Amortization method
Residential Mortgage [Member]
Dec. 31, 2013
Amortization method
Residential Mortgage [Member]
Sep. 30, 2014
Amortization method
Automobile Loan [Member]
Dec. 31, 2013
Amortization method
Automobile Loan [Member]
Sep. 30, 2014
Amortization method
Small Business Association (SBA) Loan [Member]
Dec. 31, 2013
Amortization method
Small Business Association (SBA) Loan [Member]
Sep. 30, 2014
Residential Mortgage [Member]
Sep. 30, 2013
Residential Mortgage [Member]
Sep. 30, 2014
Residential Mortgage [Member]
Sep. 30, 2013
Residential Mortgage [Member]
Sep. 30, 2014
Residential Mortgage [Member]
Fair value method
Sep. 30, 2013
Residential Mortgage [Member]
Fair value method
Sep. 30, 2014
Residential Mortgage [Member]
Fair value method
Sep. 30, 2013
Residential Mortgage [Member]
Fair value method
Sep. 30, 2014
Residential Mortgage [Member]
Amortization method
Sep. 30, 2013
Residential Mortgage [Member]
Amortization method
Sep. 30, 2014
Residential Mortgage [Member]
Amortization method
Sep. 30, 2013
Residential Mortgage [Member]
Amortization method
Sep. 30, 2014
Automobile Loan [Member]
Sep. 30, 2013
Automobile Loan [Member]
Sep. 30, 2014
Automobile Loan [Member]
Sep. 30, 2013
Automobile Loan [Member]
Sep. 30, 2014
Automobile Loan [Member]
Amortization method
Sep. 30, 2013
Automobile Loan [Member]
Amortization method
Sep. 30, 2014
Automobile Loan [Member]
Amortization method
Sep. 30, 2013
Automobile Loan [Member]
Amortization method
Sep. 30, 2014
Small Business Association (SBA) Loan [Member]
Sep. 30, 2013
Small Business Association (SBA) Loan [Member]
Sep. 30, 2014
Small Business Association (SBA) Loan [Member]
Sep. 30, 2013
Small Business Association (SBA) Loan [Member]
Summarizes activity relating to loans sold securitized with servicing retained                                                                
Loans sold with servicing retained                 $ 654,747,000 $ 853,287,000 $ 1,703,056,000 $ 2,603,414,000                                 $ 63,470,000 $ 49,808,000 $ 149,571,000 $ 116,094,000
Summarize the changes in servicing rights using the amortization method                                                                
Carrying value, beginning of year                 133,113,000 117,978,000 128,064,000 85,545,000                 11,515,000 25,688,000 17,672,000 35,606,000         17,192,000 15,220,000 16,865,000 15,147,000
New servicing assets created                 7,173,000 9,864,000 17,802,000 28,614,000                 0 0 0 0         2,181,000 1,339,000 5,042,000 3,567,000
Servicing assets acquired                 0 0 3,505,000 0                                        
Impairment charge/(recovery)                 487,000 (132,000) (1,573,000) 21,459,000                                 0 0 0 0
Amortization and other                 (4,311,000) (3,040,000) (11,336,000) (10,948,000)                 (2,476,000) (4,334,000) (8,633,000) (14,252,000)         (1,458,000) (1,154,000) (3,992,000) (3,309,000)
Carrying value, end of period                 136,462,000 124,670,000 136,462,000 124,670,000                 9,039,000 21,354,000 9,039,000 21,354,000         17,915,000 15,405,000 17,915,000 15,405,000
Fair value, end of period                 141,976,000 136,590,000 141,976,000 136,590,000                 9,130,000 21,446,000 9,130,000 21,446,000         17,915,000 15,405,000 17,915,000 15,405,000
Weighted-average life (in years)                         5 years 2 months 0 days 4 years 2 months 0 days 5 years 2 months 0 days 4 years 2 months 0 days 6 years 10 months 0 days 6 years 5 months 0 days 6 years 10 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 13.50% 11.90% 9.40% 6.70% 14.63% 14.65% 5.70% 5.90%                                                
Constant pre-payment rate, 10% adverse change (1,127,000) (1,935,000) (4,485,000) (6,813,000) (359,000) (584,000) (206,000) (221,000)                                                
Constant pre-payment rate, 20% adverse change (2,164,000) (3,816,000) (8,671,000) (12,977,000) (604,000) (1,183,000) (410,000) (438,000)                                                
Spread over forward interest rate swap rates, actual 6.76% 10.69% 9.55% 9.40% 5.00% 5.00% 15.00% 15.00%                                                
Spread over forward interest rate swap rates, 10% adverse change (777,000) (1,376,000) (4,682,000) (6,027,000) (3,000) (7,000) (937,000) (446,000)                                                
Spread over forward interest rate swap rates, 20% adverse change $ (1,508,000) $ (2,753,000) $ (9,064,000) $ (12,054,000) $ (6,000) $ (15,000) $ (1,442,000) $ (873,000)