DERIVATIVE INSTRUMENTS (Summary of Fair Value in Balance Sheet for Derivatives Designated Hedging Instruments) (Parenthetical) (Detail) (Interest Rate Swap, USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional amount derivative instruments	$ 120,000,000	$ 127,500,000
Reduction in notional amount of interest rate derivatives in next twelve months	$ 15,000,000