EMPLOYEE BENEFITS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Benefits
Components of net periodic benefit cost
Service cost	$ 284,000	$ 231,000	$ 847,000	$ 687,000
Interest cost	128,000	121,000	380,000	361,000
Expected return on plan assets	(250,000)	(192,000)	(744,000)	(569,000)
Amortization of net loss	62,000	26,000	186,000	76,000
Amortization of unrecognized prior service cost	3,000	3,000	8,000	7,000
Net periodic benefit cost	227,000	189,000	677,000	562,000
SERP Benefits
Employee benefits
Distribution from the Plan received by a retired executive			84,000
Components of net periodic benefit cost
Service cost	30,000	27,000	90,000	81,000
Interest cost	13,000	15,000	39,000	43,000
Amortization of net loss	1,000		1,000
Amortization of unrecognized transition (asset) obligation	7,000	7,000	21,000	21,000
Net periodic benefit cost	$ 51,000	$ 49,000	$ 151,000	$ 145,000