INCOME TAXES (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Provision (benefit) for income taxes
Income tax expense (benefit)	$ 1,887,000	$ 2,780,000	$ (4,820,000)	$ 13,100,000
Net deferred tax liabilities	361,500,000		361,500,000		250,200,000
Business Acquisition [Line Items]
Recorded deferred tax liability			107,700,000
Other Acquisitions
Business Acquisition [Line Items]
Recorded deferred tax liability			$ 2,300,000