FAIR VALUE (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Financial Assets
Total securities available-for-sale	$ 891,106	$ 902,341
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	798	1,638
States and municipal
Financial Assets
Total securities available-for-sale	331,112	337,939
Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	185,429	227,055
Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	365,309	327,223
Equity securities
Financial Assets
Total securities available-for-sale	4,939	4,939
Other securities
Financial Assets
Total securities available-for-sale	3,519	3,547
Recurring basis | Carrying Value
Financial Assets
Total securities available-for-sale	891,106	902,341
Mortgage banking derivatives	525	2,200
Recurring basis | Carrying Value | U. S. government agency
Financial Assets
Total securities available-for-sale	798	1,638
Recurring basis | Carrying Value | States and municipal
Financial Assets
Total securities available-for-sale	331,112	337,939
Recurring basis | Carrying Value | Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	185,429	227,055
Recurring basis | Carrying Value | Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	365,309	327,223
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	3,519	3,547
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	869,221	879,375
Mortgage banking derivatives	525	2,200
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | U. S. government agency
Financial Assets
Total securities available-for-sale	798	1,638
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | States and municipal
Financial Assets
Total securities available-for-sale	316,692	322,469
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	185,429	227,055
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	365,309	327,223
Recurring basis | Fair Value | Significant Other Observable Inputs (Level 2) | Other securities
Financial Assets
Total securities available-for-sale	993	990
Recurring basis | Fair Value | Significant Unobservable Inputs (Level 3)
Financial Assets
Total securities available-for-sale	17,196	18,277
Recurring basis | Fair Value | Significant Unobservable Inputs (Level 3) | States and municipal
Financial Assets
Total securities available-for-sale	14,420	15,470
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	$ 2,526	$ 2,557