FAIR VALUE (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Financial Assets
Total securities available-for-sale	$ 881,104	$ 891,106
Transfers of assets from Level 1 to Level 2	0		0
Transfers of assets from Level 2 to Level 1	0		0
U. S. government agency
Financial Assets
Total securities available-for-sale	712	798
States and municipals
Financial Assets
Total securities available-for-sale	326,854	331,112
Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	179,250	185,429
Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	365,835	365,309
Equity securities
Financial Assets
Total securities available-for-sale	4,939	4,939
Other securities
Financial Assets
Total securities available-for-sale	3,514	3,519
Recurring basis | Carrying Value
Financial Assets
Total securities available-for-sale	881,104	891,106
Mortgage banking derivatives	625	525
Recurring basis | Carrying Value | U. S. government agency
Financial Assets
Total securities available-for-sale	712	798
Recurring basis | Carrying Value | States and municipals
Financial Assets
Total securities available-for-sale	326,854	331,112
Recurring basis | Carrying Value | Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	179,250	185,429
Recurring basis | Carrying Value | Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	365,835	365,309
Recurring basis | Carrying Value | Equity securities
Financial Assets
Total securities available-for-sale	4,939	4,939
Recurring basis | Carrying Value | Other securities
Financial Assets
Total securities available-for-sale	3,514	3,519
Recurring basis | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
Total securities available-for-sale	4,689	4,689
Recurring basis | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities
Financial Assets
Total securities available-for-sale	4,689	4,689
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2)
Financial Assets
Total securities available-for-sale	859,630	869,221
Mortgage banking derivatives	625	525
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | U. S. government agency
Financial Assets
Total securities available-for-sale	712	798
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | States and municipals
Financial Assets
Total securities available-for-sale	312,837	316,692
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	179,250	185,429
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	365,835	365,309
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | Other securities
Financial Assets
Total securities available-for-sale	996	993
Recurring basis | Fair Value | Significant Unobservable Inputs (Level 3)
Financial Assets
Total securities available-for-sale	16,785	17,196
Recurring basis | Fair Value | Significant Unobservable Inputs (Level 3) | States and municipals
Financial Assets
Total securities available-for-sale	14,017	14,420
Recurring basis | Fair Value | Significant Unobservable Inputs (Level 3) | Equity securities
Financial Assets
Total securities available-for-sale	250	250
Recurring basis | Fair Value | Significant Unobservable Inputs (Level 3) | Other securities
Financial Assets
Total securities available-for-sale	$ 2,518	$ 2,526