Quarterly report pursuant to Section 13 or 15(d)

Fair Value Fair Value, Quantitative Information about Level 3 Fair Value Measurements (Details)

v2.4.0.8
Fair Value Fair Value, Quantitative Information about Level 3 Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Mortgage servicing rights $ 15,703 $ 1,452 $ 0
Fair Value Measurements, Valuation Techniques Discounted cash flow    
Fair Value Inputs, Prepayment Rate 8.50%    
Fair Value Inputs, Probability of Default 5.00%    
Fair Value Inputs, Discount Rate 11.30%    
Minimum [Member]
     
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Fair Value Inputs, Prepayment Rate 6.00%    
Fair Value Inputs, Probability of Default 3.00%    
Fair Value Inputs, Discount Rate 8.00%    
Maximum [Member]
     
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Fair Value Inputs, Prepayment Rate 11.00%    
Fair Value Inputs, Probability of Default 10.00%    
Fair Value Inputs, Discount Rate 14.00%