Annual report pursuant to Section 13 and 15(d)

PARENT COMPANY FINANCIAL INFORMATION (Financial Information for the Parent Company - Statements of Cash Flows) (Details)

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PARENT COMPANY FINANCIAL INFORMATION (Financial Information for the Parent Company - Statements of Cash Flows) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Operating activities:      
Net income $ 34,496,000 $ 35,411,000 $ 30,445,000
Adjustments to reconcile net income to net cash and cash equivalents provided by (used in) operating activities:      
Depreciation of bank premises and equipment 6,024,000 6,631,000 6,715,000
Gains on the sale of investment securities (21,000) (190,000) (913,000)
Issuance of common stock grants for services 477,000 565,000 657,000
Decrease (increase) in other assets (27,422,000) (2,173,000) (3,089,000)
Net (decrease) increase in other liabilities 6,263,000 987,000 (2,160,000)
Net cash and cash equivalents provided by (used in) operating activities 157,029,000 (21,991,000) 71,048,000
Investing activities:      
Sale of securities available for sale 43,354,000 18,944,000 28,800,000
Net decrease (increase) in bank premises and equipment (4,759,000) (2,102,000) (5,466,000)
Payments for equity method investment (2,000,000)    
Net cash and cash equivalents used in investing activities (218,690,000) (141,699,000) (17,892,000)
Financing activities:      
Net decrease in long-term borrowings 2,234,000 [1] (18,566,000) [1] 489,000 [1]
Cash dividends paid (12,535,000) (8,969,000) (7,284,000)
Repurchase of preferred stock     (35,595,000)
Net Issuance (repurchase) of common stock 927,000 31,000 574,000
Net cash and cash equivalents provided by (used in) financing activities 51,782,000 149,933,000 (17,650,000)
Cash and Cash Equivalents, Period Increase (Decrease) (9,879,000) (13,757,000) 35,506,000
Cash and cash equivalents at beginning of the period 82,902,000 96,659,000 61,153,000
Cash and cash equivalents at end of the period 73,023,000 82,902,000 96,659,000
Parent Company [Member]
      
Operating activities:      
Net income 34,496,000 35,411,000 30,445,000
Adjustments to reconcile net income to net cash and cash equivalents provided by (used in) operating activities:      
Equity in undistributed net income from subsidiaries (7,685,000) (15,158,000) (23,941,000)
Depreciation of bank premises and equipment 468,000 473,000 1,089,000
Gains on the sale of investment securities     (430,000)
Tax benefit from exercise of equity-based awards     15,000
Issuance of common stock grants for services 477,000 565,000 564,000
Decrease (increase) in other assets (2,069,000) (756,000) 811,000
Net (decrease) increase in other liabilities 1,737,000 2,781,000 1,744,000
Net cash and cash equivalents provided by (used in) operating activities 27,424,000 23,316,000 10,297,000
Investing activities:      
Sale of securities available for sale     13,588,000
Net decrease (increase) in bank premises and equipment   (23,000) 1,455,000
Payments for equity method investment (2,000,000)    
Payments for investments in and advances to subsidiaries.     (2,391,000)
Net cash and cash equivalents used in investing activities (2,000,000) (23,000) 12,652,000
Financing activities:      
Net decrease in long-term borrowings (625,000) (625,000) (625,000)
Cash dividends paid (12,535,000) (8,969,000) (9,245,000)
Repurchase of preferred stock     (35,595,000)
Net Issuance (repurchase) of common stock (8,677,000) (14,469,000) 574,000
Net cash and cash equivalents provided by (used in) financing activities (21,837,000) (24,063,000) (44,891,000)
Cash and Cash Equivalents, Period Increase (Decrease) 3,587,000 (770,000) (21,942,000)
Cash and cash equivalents at beginning of the period 6,505,000 7,275,000 29,217,000
Cash and cash equivalents at end of the period $ 10,092,000 $ 6,505,000 $ 7,275,000
[1] See Note 7 "Borrowings" related to 2013 activity.