EMPLOYEE BENEFIT PLANS (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 expense	$ 43,000	$ 0	$ 0
Defined contribution plan, percent matching contribution	2.00%
Deferred compensation liability	14,452,000	13,306,000
Carrying value of shares held in trust for stock related compensation plans	7,242,000	7,715,000
Cash surrender value of insurance policies	59,900,000	58,600,000
Supplemental Retirement and Salary Contribution Plans [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation plans expense	879,000	848,000	1,400,000
Deferred compensation liability	12,600,000	12,300,000
Deferred Cpmpensation Plans and Rabbi Trusts [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation liability	8,500,000	8,300,000
Carrying value of shares held in trust for stock related compensation plans	7,200,000	7,700,000
Shares held in Treasury for future payment	$ 7,200,000	$ 7,700,000