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Fair Value Measurements (Details 1) - Level 3 - Private Label CMOs - Fair Value, Measurements, Recurring [Member]
12 Months Ended
Dec. 31, 2015
Minimum [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Fair Value Inputs, Prepayment Rate 0.00%
Fair Value Inputs, Probability of Default 0.00%
Fair Value Inputs, Loss Severity 0.00%
Fair Value Inputs, Discount Rate 0.00%
Maximum [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Fair Value Inputs, Prepayment Rate 20.55%
Fair Value Inputs, Probability of Default 7.10%
Fair Value Inputs, Loss Severity 100.00%
Fair Value Inputs, Discount Rate 43.22%
Weighted Average [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Fair Value Inputs, Prepayment Rate 8.75%
Fair Value Inputs, Probability of Default 3.40%
Fair Value Inputs, Loss Severity 44.26%
Fair Value Inputs, Discount Rate 4.39%