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Fair Value - Schedule of Significant Assumptions used in Valuation (Details) - 3 months ended Jun. 30, 2015 - $ / loan
Total
Mortgage Servicing Rights - Amortized Costs [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Weighted average prepayment speed 11.08%
Weighted average delinquency rate 13.94%
Advance financing cost 5 years
Interest rate for computing float earnings 5 years
Weighted average discount rate 9.55%
Weighted average cost to service (in dollars) 95
Fair Value Agency Mortgage Servicing Rights [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Weighted average prepayment speed 9.18%
Weighted average delinquency rate 2.19%
Advance financing cost 5 years
Interest rate for computing float earnings 5 years
Weighted average discount rate 9.00%
Weighted average cost to service (in dollars) 72
Fair Value Non-Agency Mortgage Servicing Rights [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Weighted average prepayment speed 16.68%
Weighted average delinquency rate 29.99%
Weighted average discount rate 15.29%
Weighted average cost to service (in dollars) 337
Mortgage Servicing Rights Pledged [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Weighted average prepayment speed 17.17%
Weighted average delinquency rate 30.94%
Weighted average discount rate 15.21%
Weighted average cost to service (in dollars) 342
London Interbank Offered Rate (LIBOR) [Member] | Fair Value Non-Agency Mortgage Servicing Rights [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Interest rate for computing float earnings 1 month
Fair value input, interest rate 3.50%
London Interbank Offered Rate (LIBOR) [Member] | Mortgage Servicing Rights Pledged [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Interest rate for computing float earnings 1 month
Fair value input, interest rate 3.50%