Acquisitions - Additional Information (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) Market	Jun. 30, 2015 USD ($)
Business Acquisition [Line Items]
Total purchase price of outdoor advertising assets	$ 515,147
Total purchase price of outdoor advertising assets paid in cash	506,147	$ 59,389
Non cash consideration of outdoor advertising assets	9,000
Gain on exchange of outdoor advertising assets	8,599
Clear Channel Outdoor Holdings, Inc [Member]
Business Acquisition [Line Items]
Total purchase price of outdoor advertising assets	$ 458,500
Number of business acquired | Market	5