Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Allowance for Loan Loss Activity, by Portfolio Segment, Balances for Allowance for Credit Losses, and Loans Based on Impairment Methodology) (Details)

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LOANS AND ALLOWANCE FOR LOAN LOSSES (Allowance for Loan Loss Activity, by Portfolio Segment, Balances for Allowance for Credit Losses, and Loans Based on Impairment Methodology) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Allowance for loan losses:      
Balance, beginning of the year $ 30,135 $ 34,916 $ 34,916
Recoveries credited to allowance 1,659 834 2,781
Loans charged off (887) (3,385) (13,618)
Provision charged to operations   2,050 6,056
Balance, end of period 30,907 34,415 30,135
Ending balance: individually evaluated for impairment 1,734 7,325 1,963
Ending balance: collectively evaluated for impairment 29,173 27,073 28,172
Ending balance: loans acquired with deteriorated credit quality   17  
Total 30,907 34,415 30,135
Loans:      
Ending balance: individually evaluated for impairment 116,728 141,727 108,999
Ending balance: collectively evaluated for impairment 5,019,039 2,827,801 2,926,747
Ending balance: loans acquired with deteriorated credit quality 138,431 4,019 3,622
Total Loans 5,274,198 2,973,547 3,039,368
Commercial [Member]
      
Allowance for loan losses:      
Balance, beginning of the year 19,856 24,821 24,821
Recoveries credited to allowance 1,408 575 1,496
Loans charged off (307) (2,583) (8,534)
Provision charged to operations (643) 1,869 2,073
Balance, end of period 20,314 24,682 19,856
Ending balance: individually evaluated for impairment 1,266 5,560 1,152
Ending balance: collectively evaluated for impairment 19,048 19,105 18,704
Ending balance: loans acquired with deteriorated credit quality   17  
Total 20,314 24,682 19,856
Loans:      
Ending balance: individually evaluated for impairment 109,756 132,990 101,894
Ending balance: collectively evaluated for impairment 3,533,488 1,974,131 2,059,079
Ending balance: loans acquired with deteriorated credit quality 120,291 3,078 2,732
Total Loans 3,763,535 2,110,199 2,163,705
Consumer [Member]
      
Allowance for loan losses:      
Balance, beginning of the year 10,227 10,107 10,107
Recoveries credited to allowance 251 259 1,285
Loans charged off (580) (802) (5,084)
Provision charged to operations 843 135 3,919
Balance, end of period 10,741 9,699 10,227
Ending balance: individually evaluated for impairment 468 1,765 811
Ending balance: collectively evaluated for impairment 10,273 7,934 9,416
Ending balance: loans acquired with deteriorated credit quality       
Total 10,741 9,699 10,227
Loans:      
Ending balance: individually evaluated for impairment 6,972 8,737 7,105
Ending balance: collectively evaluated for impairment 1,485,551 853,670 867,668
Ending balance: loans acquired with deteriorated credit quality 18,140 941 890
Total Loans 1,510,663 863,348 875,663
Unallocated [Member]
      
Allowance for loan losses:      
Balance, beginning of the year 52 (12) (12)
Recoveries credited to allowance        
Loans charged off        
Provision charged to operations (200) 46 64
Balance, end of period (148) 34 52
Ending balance: individually evaluated for impairment        
Ending balance: collectively evaluated for impairment (148) 34 52
Ending balance: loans acquired with deteriorated credit quality        
Total (148) 34 52
Loans:      
Ending balance: individually evaluated for impairment        
Ending balance: collectively evaluated for impairment        
Ending balance: loans acquired with deteriorated credit quality        
Total Loans