Other Income (Loss) - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales / distributions of ownership interests	$ 542	$ 811
Active Network Inc
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales / distributions of ownership interests		300
White Fence
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales / distributions of ownership interests	$ 500	$ 500