RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS (Income Tax Reporting and Accounting) (Details) (USD $)	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Asset Valuation Allowance [Abstract]
Provision (benefit) for income taxes	$ 5,704,000	$ 5,880,000	$ 5,661,000	$ 5,284,000	$ 4,638,000	$ 2,407,000	$ (31,830,000)	$ 0	$ 0	$ 0	$ 0	$ 0	$ 22,528,000	$ (24,785,000)	$ 0
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Interest Receivable	450,000												450,000
Internal Revenue Service (IRS) [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Refund due from amended federal income tax returns	$ (9,800,000)												$ (9,800,000)