Financial Instruments - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014 Derivative	Dec. 31, 2013 Derivative
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Unrealized loss of hedging instrument	$ 200,000
Approximate fair value of notes	149,300,000	148,200,000
Carrying amount of notes	146,400,000	145,500,000
Tax Increment Financing Bonds (“TIF Bonds”)	5,110,000	5,086,000
Aggregate notional amount	631,100,000	631,400,000
Number of interest rate derivatives held	10	10
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months, net	$ (6,600,000)