LOANS, Summary of Impaired and Non-accrual Loans (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of non-performing assets [Abstract]
Non-accrual loans	$ 14,420	$ 16,435
Non-accrual loans held-for-sale	0	907
Loans 90 days past due and still accruing	0	0
OREO	372	1,572
Total non-performing assets	14,792	18,914
TDRs accruing interest	10,247	9,954
TDRs - nonaccruing	$ 5,990	$ 6,650