LONG-TERM DEBT (Detail) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jan. 15, 2013	Dec. 31, 2013	Dec. 31, 2012	Jul. 25, 2011	Nov. 30, 2006
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	$ 40,000			$ 30,000	$ 7,000
Basis spread on variable rate (in hundredths)	1.25%	1.25%			1.25%
Line of credit, expiration date	Jan. 15, 2015
Line of credit, current borrowing capacity		40,000
Line of credit, outstanding amount		$ 0	$ 0
Line Of Credit Facility Percentage Of Equity Interest As Collateral	65.00%