v2.4.0.8
Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment by Risk Category of Non-covered Loans by Portfolio Class and Category (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Credit Quality, Time Period Expected to Return to Perform 12 months  
Total $ 2,251,102 $ 2,137,313
Non-Covered Loans
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 2,250,023 2,136,292
Total 2,251,102 2,137,313
Non-Covered Loans | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 2,038,027 1,924,230
Non-Covered Loans | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 134,952 134,410
Non-Covered Loans | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 76,279 78,032
Non-Covered Loans | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 1,844 641
Non-Covered Loans | Commercial & Industrial
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 1,135,069 1,041,576
Non-Covered Loans | Commercial & Industrial | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 1,041,940 977,199
Non-Covered Loans | Commercial & Industrial | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 59,877 40,265
Non-Covered Loans | Commercial & Industrial | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 31,849 23,934
Non-Covered Loans | Commercial & Industrial | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 1,403 178
Non-Covered Loans | Commercial Real Estate Owner Occupied
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 369,383 341,631
Non-Covered Loans | Commercial Real Estate Owner Occupied | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 335,432 306,321
Non-Covered Loans | Commercial Real Estate Owner Occupied | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 23,989 26,500
Non-Covered Loans | Commercial Real Estate Owner Occupied | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 9,962 8,810
Non-Covered Loans | Commercial Real Estate Owner Occupied | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 0 0
Non-Covered Loans | Commercial Real Estate Investor Owned
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 386,088 437,688
Non-Covered Loans | Commercial Real Estate Investor Owned | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 345,803 368,433
Non-Covered Loans | Commercial Real Estate Investor Owned | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 26,570 42,227
Non-Covered Loans | Commercial Real Estate Investor Owned | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 13,715 27,028
Non-Covered Loans | Commercial Real Estate Investor Owned | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 0 0
Non-Covered Loans | Construction and Land Development
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 137,043 117,032
Non-Covered Loans | Construction and Land Development | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 108,462 87,812
Non-Covered Loans | Construction and Land Development | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 16,748 17,175
Non-Covered Loans | Construction and Land Development | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 11,392 11,582
Non-Covered Loans | Construction and Land Development | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 441 463
Non-Covered Loans | Residential Real Estate
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 173,964 158,527
Non-Covered Loans | Residential Real Estate | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 157,245 143,613
Non-Covered Loans | Residential Real Estate | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 7,711 8,240
Non-Covered Loans | Residential Real Estate | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 9,008 6,674
Non-Covered Loans | Residential Real Estate | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 0 0
Non-Covered Loans | Consumer & Other
   
Financing Receivable, Recorded Investment [Line Items]    
Portfolio Loans 48,476 39,838
Total 49,555 40,859
Non-Covered Loans | Consumer & Other | Pass (1-6)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 49,145 40,852
Non-Covered Loans | Consumer & Other | Watch (7)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 57 3
Non-Covered Loans | Consumer & Other | Substandard (8)
   
Financing Receivable, Recorded Investment [Line Items]    
Total 353 4
Non-Covered Loans | Consumer & Other | Doubtful (9)
   
Financing Receivable, Recorded Investment [Line Items]    
Total $ 0 $ 0