EQUITY-BASED COMPENSATION (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated forfeiture rate (as a percent)			3.00%
Equity instruments other than options, Units outstanding	2,100,486		2,100,486		1,943,760
Weighted average fair value of restricted shares per share granted (in dollars per share)			$ 12.34	$ 11.10
Aggregate fair value of stock vested	$ 2.3	$ 1.7	$ 5.2	$ 5.2
Shares issued relating to vesting of restricted stock awards (in shares)			311,320		544,559
Value of unvested restricted stock	$ 17.0		$ 17.0
Weighted-average recognition period for unvested restricted stock (in years)			2 years 0 months 0 days
Shares issued upon exercise of options			85,334
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, Units outstanding	107,841		107,841		90,000
2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	4,959,944		4,959,944
2000 Directors Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	1,900,000		1,900,000