BUSINESS SEGMENT, MAJOR CUSTOMERS AND RELATED PARTY INFORMATION (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2012 Accounts Receivable [Member]	Dec. 31, 2011 Accounts Receivable [Member]	Sep. 30, 2012 Sales Revenue, Services, Net [Member]	Sep. 30, 2011 Sales Revenue, Services, Net [Member]	Sep. 30, 2012 Sales Revenue, Services, Net [Member]	Sep. 30, 2011 Sales Revenue, Services, Net [Member]
Concentration Risk [Line Items]
No one customer accounted for more than (in hundredths)						10.00%	10.00%	10.00%	10.00%	10.00%	10.00%
Related Party Transaction [Line Items]
Ownership interest (in hundredths)	40.00%		40.00%
Contract work	$ 400,000	$ 500,000	$ 1,300,000	$ 1,400,000
Payable to related party	200,000		200,000		500,000
Proceeds from Dividends Received	2,400,000		2,500,000
Settlement Received By Related Party	6,300,000		6,300,000
Investment income from equity interest	$ 2,400,000		$ (2,300,000)	$ (105,000)