LOANS AND ALLOWANCE FOR CREDIT LOSSES (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
30 - 89 days past due	$ 5,899	$ 8,311
Greater than 90 days past due	17,196	23,769
Total past due	23,095	32,080
Current loans	1,467,672	1,469,221
Total loans	1,490,767	1,501,301	1,503,624
Construction Loans [Member]
30 - 89 days past due	0	0
Greater than 90 days past due	3,503	5,522
Total past due	3,503	5,522
Current loans	43,903	24,640
Total loans	47,406	30,162	26,026
Commercial Loan [Member]
30 - 89 days past due	1,075	849
Greater than 90 days past due	5,442	5,692
Total past due	6,517	6,541
Current loans	279,617	293,225
Total loans	286,134	299,766	296,335
Mortgage Loans On Real Estate [Member]
30 - 89 days past due	2,621	3,787
Greater than 90 days past due	2,657	6,226
Total past due	5,278	10,013
Current loans	295,953	314,981
Total loans	301,231	324,994	330,790
Commercial Real Estate [Member]
30 - 89 days past due	2,041	3,619
Greater than 90 days past due	5,593	6,328
Total past due	7,634	9,947
Current loans	836,202	822,820
Total loans	843,836	832,767	836,752
Consumer Loan [Member]
30 - 89 days past due	162	56
Greater than 90 days past due	1	1
Total past due	163	57
Current loans	11,997	13,555
Total loans	$ 12,160	$ 13,612	$ 13,721