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 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Allowance for loan losses:          
Balance, beginning of the year     $ 30,135 $ 34,916 $ 34,916
Recoveries credited to allowance     2,171 1,555 2,781
Loans charged off     (2,427) (5,188) (13,618)
Provision charged to operations 1,500 1,000 1,500 3,050 6,056
Balance, end of period 31,379 34,333 31,379 34,333 30,135
Ending balance: individually evaluated for impairment 2,516 7,577 2,516 7,577 1,963
Ending balance: collectively evaluated for impairment 28,863 26,749 28,863 26,749 28,172
Ending balance: loans acquired with deteriorated credit quality   7   7  
Total 31,379 34,333 31,379 34,333 30,135
Loans:          
Ending balance: individually evaluated for impairment 112,667 129,799 112,667 129,799 108,999
Ending balance: collectively evaluated for impairment 4,989,295 2,867,083 4,989,295 2,867,083 2,926,747
Ending balance: loans acquired with deteriorated credit quality 131,107 3,973 131,107 3,973 3,622
Total loans 5,233,069 3,000,855 5,233,069 3,000,855 3,039,368
Commercial [Member]
          
Allowance for loan losses:          
Balance, beginning of the year     19,856 24,821 24,821
Recoveries credited to allowance     1,599 944 1,496
Loans charged off     (1,068) (2,970) (8,534)
Provision charged to operations     294 1,713 2,073
Balance, end of period 20,681 24,508 20,681 24,508 19,856
Ending balance: individually evaluated for impairment 2,117 6,075 2,117 6,075 1,152
Ending balance: collectively evaluated for impairment 18,564 18,426 18,564 18,426 18,704
Ending balance: loans acquired with deteriorated credit quality   7   7  
Total 20,681 24,508 20,681 24,508 19,856
Loans:          
Ending balance: individually evaluated for impairment 104,620 120,659 104,620 120,659 101,894
Ending balance: collectively evaluated for impairment 3,482,781 2,007,816 3,482,781 2,007,816 2,059,079
Ending balance: loans acquired with deteriorated credit quality 114,893 3,039 114,893 3,039 2,732
Total loans 3,702,294 2,131,514 3,702,294 2,131,514 2,163,705
Consumer [Member]
          
Allowance for loan losses:          
Balance, beginning of the year     10,227 10,107 10,107
Recoveries credited to allowance     572 611 1,285
Loans charged off     (1,359) (2,218) (5,084)
Provision charged to operations     1,296 1,303 3,919
Balance, end of period 10,736 9,803 10,736 9,803 10,227
Ending balance: individually evaluated for impairment 399 1,502 399 1,502 811
Ending balance: collectively evaluated for impairment 10,337 8,301 10,337 8,301 9,416
Ending balance: loans acquired with deteriorated credit quality           
Total 10,736 9,803 10,736 9,803 10,227
Loans:          
Ending balance: individually evaluated for impairment 8,047 9,140 8,047 9,140 7,105
Ending balance: collectively evaluated for impairment 1,506,514 859,267 1,506,514 859,267 867,668
Ending balance: loans acquired with deteriorated credit quality 16,214 934 16,214 934 890
Total loans 1,530,775 869,341 1,530,775 869,341 875,663
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     (90) 34 64
Balance, end of period (38) 22 (38) 22 52
Ending balance: individually evaluated for impairment             
Ending balance: collectively evaluated for impairment (38) 22 (38) 22 52
Ending balance: loans acquired with deteriorated credit quality             
Total (38) 22 (38) 22 52
Loans:          
Ending balance: individually evaluated for impairment             
Ending balance: collectively evaluated for impairment             
Ending balance: loans acquired with deteriorated credit quality             
Total loans