v2.4.0.8
Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Loans - Ending Balance:        
Total $ 2,110,825     $ 2,106,039
Non-Covered Loans
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 4,306     8,176
Collectively evaluated for impairment 22,293     26,154
Total 26,599 27,619 32,452 34,330
Loans - Ending Balance:        
Individually evaluated for Impairment 24,169     38,727
Collectively evaluated for impairment 2,086,656     2,067,312
Total 2,109,943     2,106,028
Total 2,110,825     2,106,039
Non-Covered Loans | Commercial & Industrial
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 2,610     3,446
Collectively evaluated for impairment 6,270     6,618
Total 8,880 9,674 10,276 10,064
Loans - Ending Balance:        
Individually evaluated for Impairment 5,974     8,934
Collectively evaluated for impairment 1,001,424     953,950
Total 1,007,398     962,884
Non-Covered Loans | Commercial Real Estate Owner Occupied
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 0     339
Collectively evaluated for impairment 3,635     3,853
Total 3,635 3,910 4,064 4,192
Loans - Ending Balance:        
Individually evaluated for Impairment 191     5,772
Collectively evaluated for impairment 350,462     327,470
Total 350,653     333,242
Non-Covered Loans | Commercial Real Estate Investor Owned
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 973     3,400
Collectively evaluated for impairment 4,822     7,003
Total 5,795 6,215 8,640 10,403
Loans - Ending Balance:        
Individually evaluated for Impairment 10,830     16,762
Collectively evaluated for impairment 440,272     469,705
Total 451,102     486,467
Non-Covered Loans | Construction and Land Development
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 712     732
Collectively evaluated for impairment 2,112     4,507
Total 2,824 3,815 4,936 5,239
Loans - Ending Balance:        
Individually evaluated for Impairment 6,499     4,695
Collectively evaluated for impairment 108,109     156,216
Total 114,608     160,911
Non-Covered Loans | Residential Real Estate
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 11     259
Collectively evaluated for impairment 1,652     1,767
Total 1,663 1,846 2,111 2,026
Loans - Ending Balance:        
Individually evaluated for Impairment 675     2,564
Collectively evaluated for impairment 149,645     142,994
Total 150,320     145,558
Non-Covered Loans | Consumer & Other
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 0     0
Collectively evaluated for impairment 63     31
Total 63 44 43 31
Loans - Ending Balance:        
Individually evaluated for Impairment 0     0
Collectively evaluated for impairment 36,744     16,977
Total 35,862     16,966
Total 36,744     16,977
Non-Covered Loans | Qualitative Adjustment
        
Allowance for Loan Losses - Ending Balance:        
Individually evaluated for impairment 0     0
Collectively evaluated for impairment 3,739     2,375
Total 3,739 2,115 2,382 2,375
Loans - Ending Balance:        
Individually evaluated for Impairment 0     0
Collectively evaluated for impairment 0     0
Total $ 0     $ 0