EMPLOYEE BENEFITS (Textual) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Defined contribution plan, maximum annual contribution per employee, amount	$ 17,000
Defined contribution plan, employer discretionary contribution amount	2,300,000	2,300,000	0
Deferred compensation arrangement with individual, recorded liability	6,400,000	6,500,000
Deferred compensation arrangement with individual, compensation expense	614,000	64,000	685,000
Pension and other postretirement defined benefit plans, liabilities	4,568,000	3,619,000
Defined benefit plan, assumptions used calculating benefit obligation, discount rate	3.31%	4.28%
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Amortization of net actuarial loss	145,000	109,000
Defined benefit plan, estimated future employer contributions in next fiscal year	$ 360,000
Minimum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation arrangement with individual, employee contribution, percent of salary	1.00%
Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation arrangement with individual, employee contribution, percent of salary	25.00%
Deferred compensation arrangement with individual, employee contribution, percent of bonus	100.00%
Fixed Income Investments
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	52.00%
Equity Securities
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	40.00%
Cash
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	8.00%