Acquisitions (Details) (USD $) In Thousands, unless otherwise specified				0 Months Ended									12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended									12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 22, 2013 Endeka	Feb. 22, 2013 Endeka Existing contracts and relationships	Feb. 22, 2013 Endeka Technology	Feb. 22, 2013 Endeka Trademark and tradename	Feb. 22, 2013 Endeka Non-compete agreement	Feb. 22, 2013 Endeka Other intangibles	Feb. 22, 2013 Endeka Identifiable intangible assets Minimum	Feb. 22, 2013 Endeka Identifiable intangible assets Maximum	Feb. 22, 2013 Endeka Contingent consideration item	Dec. 31, 2013 Endeka Contingent consideration	Aug. 06, 2012 Cloud 9 Wireless, Inc.	Dec. 31, 2013 Cloud 9 Wireless, Inc.	Oct. 31, 2013 AWG item	Oct. 31, 2013 AWG Existing contracts and relationships	Oct. 31, 2013 AWG Technology	Oct. 31, 2013 AWG Trademark and tradename	Oct. 31, 2013 AWG Non-compete agreement	Oct. 31, 2013 AWG Identifiable intangible assets	Oct. 31, 2013 AWG Identifiable intangible assets Minimum	Oct. 31, 2013 AWG Identifiable intangible assets Maximum	Oct. 31, 2013 AWG Contingent consideration	Dec. 31, 2013 AWG Contingent consideration	Dec. 31, 2013 Endeka and AWG	Dec. 31, 2012 Endeka and AWG
Acquisition
Number of U.S. airports where the acquired entity operates public Wi-Fi																17
Number of components of contingent consideration												2
Discount rate (as a percent)										40.00%	50.00%	50.50%	25.00%									12.00%	14.00%	3.10%	3.10%
Royalty rates (as a percent)										0.50%	1.50%										0.50%
Estimated Fair Value
Cash paid				$ 4,894										$ 3,500		$ 14,800
Holdback consideration				275												1,600
Contingent consideration	(980)			1,329												980
Total consideration				6,498												17,380
Recognized amounts of identifiable assets acquired and liabilities assumed:
Cash				20												215
Restricted cash																515
Accounts receivable																988
Other current assets				44												609
Current assets														899
Property and equipment				4,617										65		2,297
Other assets				12
Intangible and other assets														1,758
Accounts payable				(992)												(563)
Accrued expenses																(515)
Other current liabilities				(211)												(134)
Capital lease obligations																(932)
Other non-current liabilities																(130)
Current liabilities														(454)
Notes payable and financed liabilities				(6,476)
Deferred tax liabilities				(2,637)												(3,561)
Net tangible liabilities acquired				(5,623)												(1,211)
Intangibles					4,770	930	300	250	95								4,700	270	120	3,590
Goodwill	42,431	26,744	25,512	5,776										1,232		9,911
Net assets acquired														3,500
Total purchase price				6,498												17,380
Estimated Useful Life					10 years	6 years	10 years	2 years	10 years						5 years		6 years 8 months 12 days	6 years	3 years	5 years
Pro forma results
Revenue																										114,492	110,957
Net (loss) income																										$ (4,945)	$ 5,991