Derivative Instruments and Hedging Activities - Additional Information (Detail) (USD $)	3 Months Ended					3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Term Loans Rate	Mar. 31, 2014 Accrued Liabilities [Member]	Dec. 31, 2013 Accrued Liabilities [Member]	Mar. 31, 2014 Cash Flow Hedging [Member] Interest Expense [Member] Interest Rate Swap [Member]	Mar. 31, 2013 Cash Flow Hedging [Member] Interest Expense [Member] Interest Rate Swap [Member]
Derivative [Line Items]
Interest Rate Derivative Liabilities, at Fair Value				$ 483,000	$ 928,000
Swap, fixed interest rate			1.11%
Derivative, Maturity Years			3 years
Derivative, Maturity Date	Jul. 01, 2014
Spread over LIBOR			1.95%
Actual interest rate			3.06%
Amount to be reclassified from accumulated other comprehensive loss to interest expense	500,000
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion	25,000	7,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net						$ 470,000	$ 449,000