COMMITMENTS AND CONTINGENCIES Letters of Credit (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2010
Commitments and Contingencies Disclosure [Abstract]
Cash Collateral for Borrowed Securities			$ 4,300,000
Cash Collateral for Borrowed Securities, Refunded	4,300,000
Line of Credit Facility, Reduction of Availabiliy Due to Collateral Requirements	$ 3,500,000	$ 3,500,000