Impairment of Long-Lived Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Property, Plant and Equipment [Line Items]
Impairment charges	$ 358	$ 192
Estimated aggregate fair value of long-lived assets impaired	$ 373
Minimum [Member]
Property, Plant and Equipment [Line Items]
Projects future attendance fluctuations, percent	(10.00%)
Risk-adjusted of return, discount rate	10.00%
Maximum [Member]
Property, Plant and Equipment [Line Items]
Projects future attendance fluctuations, percent	10.00%
Risk-adjusted of return, discount rate	15.00%