Fair Value of Financial Instruments (Details 3) (Nonrecurring, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Assets Measured at Fair Value on Non Recurring Basis    
Impaired loans $ 19,885 $ 29,416
ORE 10,935 12,779
Residential mortgage servicing rights 30,304 22,779
SBA servicing rights 4,654 4,140
Quoted Prices in Active Markets for Identical Assets (Level 1)
   
Assets Measured at Fair Value on Non Recurring Basis    
Impaired loans 0 0
ORE 0 0
Residential mortgage servicing rights 0 0
SBA servicing rights 0 0
Significant Other Observable Inputs (Level 2)
   
Assets Measured at Fair Value on Non Recurring Basis    
Impaired loans 0 0
ORE 0 0
Residential mortgage servicing rights 0 0
SBA servicing rights 0 0
Significant Unobservable Inputs (Level 3)
   
Assets Measured at Fair Value on Non Recurring Basis    
Impaired loans 19,885 29,416
ORE 10,935 12,779
Residential mortgage servicing rights 30,304 22,779
SBA servicing rights $ 4,654 $ 4,140