Annual report pursuant to Section 13 and 15(d)

Quantitative Information about Level 3 Fair Value Inputs (Details)

v2.4.1.9
Quantitative Information about Level 3 Fair Value Inputs (Details)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair Value Measurements, Valuation Processes, Description Discounted cash flow  
Fair Value Inputs, Prepayment Rate 11.90%us-gaap_FairValueInputsPrepaymentRate 9.50%us-gaap_FairValueInputsPrepaymentRate
Fair Value Inputs, Probability of Default 5.60%us-gaap_FairValueInputsProbabilityOfDefault 4.00%us-gaap_FairValueInputsProbabilityOfDefault
Fair Value Inputs, Discount Rate 9.50%us-gaap_FairValueInputsDiscountRate 9.00%us-gaap_FairValueInputsDiscountRate
Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair Value Inputs, Prepayment Rate 10.60%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember 		 
Fair Value Inputs, Probability of Default 5.30%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_RangeAxis
= us-gaap_MinimumMember 		 
Fair Value Inputs, Discount Rate 8.10%us-gaap_FairValueInputsDiscountRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember 		 
Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair Value Inputs, Prepayment Rate 13.10%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember 		 
Fair Value Inputs, Probability of Default 6.10%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_RangeAxis
= us-gaap_MaximumMember 		 
Fair Value Inputs, Discount Rate 10.70%us-gaap_FairValueInputsDiscountRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember