Anuvu Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)

Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended			12 Months Ended
	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Jul. 27, 2016 member	Dec. 31, 2015 USD ($)
Accounting Policies [Line Items]
Cash and cash equivalents			$ 105,372	$ 219,182	$ 50,686		$ 223,552
Restricted Cash
Restricted cash			17,952		17,992
Intangible Assets and Goodwill:
Impairment of goodwill			78,000	0
Goodwill			249,863		327,836
Investments in Equity Affiliates
Board of directors members, voting \| member						2
Board of directors members \| member						2
Derivative Warrants
Change in fair value			$ 2,920	5,865
Change in accounting principle					0
Buildings
Property, plant and equipment
Property, plant and equipment, useful life			30 years
Connectivity equipment
Property, plant and equipment
Property, plant and equipment, useful life			5 years
Minimum \| Equipment
Property, plant and equipment
Property, plant and equipment, useful life			3 years
Minimum \| Connectivity equipment
Property, plant and equipment
Property, plant and equipment, useful life			7 years
Maximum
Restricted Cash
Restricted cash, maximum term of restriction			3 years
Maximum \| Equipment
Property, plant and equipment
Property, plant and equipment, useful life			10 years
Maximum \| Connectivity equipment
Property, plant and equipment
Property, plant and equipment, useful life			15 years
Media & Content
Intangible Assets and Goodwill:
Impairment of goodwill			$ 0
Goodwill			83,446		83,419
Former Maritime & Land Connectivity Segment
Intangible Assets and Goodwill:
Impairment of goodwill			78,000		64,000
Goodwill			68,380		146,380
Wireless Maritime Services
Investments in Equity Affiliates
Equity method investment, ownership percentage						49.00%
Board of directors members, voting \| member						5
Santander
Investments in Equity Affiliates
Equity method investment, ownership percentage						49.00%
Board of directors members, voting \| member						5
AT&T \| Wireless Maritime Services
Investments in Equity Affiliates
Equity method investment, ownership percentage						51.00%
Board of directors members, voting \| member						3
Erzia \| Santander
Investments in Equity Affiliates
Equity method investment, ownership percentage						51.00%
Board of directors members \| member						3
Additional Paid-in Capital
Derivative Warrants
Change in accounting principle					288
MTN
Restricted Cash
Restricted cash			16,000		$ 16,000
Subsequent Event
Restricted Cash
Increase in restricted cash	$ 600
Subsequent Event \| MTN
Restricted Cash
Restricted cash released	$ 15,500
Public SPAC Warrants
Derivative Warrants
Change in fair value			$ 400	$ 5,900
Forecast \| Minimum
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income tax benefit expected due to change in tax law		$ 5,000
Forecast \| Maximum
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income tax benefit expected due to change in tax law		$ 8,000