Investments - Summary of Estimated Amortization (Details) $ in Thousands	Sep. 30, 2015 USD ($)
Finite Lived Intangible Assets [Line Items]
Remainder of 2015	$ 26,718	[1]
2016	90,595	[1]
2017	89,379	[1]
2018	89,125	[1]
2019	88,097	[1]
Thereafter	920,020	[1]
UKTV [Member]
Finite Lived Intangible Assets [Line Items]
Remainder of 2015	4,200	[2]
2016	14,600	[2]
2017	14,600	[2]
2018	14,600	[2]
2019	14,700	[2]
Thereafter	$ 122,000	[2]

[1] As the functional currency of certain foreign subsidiaries differs from the USD, these amounts are subject to change as the foreign currencies to the USD exchange rates fluctuate.

[2] The functional currency of UKTV is the Great British Pound ("GBP") so these amounts are subject to change as the GBP to USD exchange rates fluctuate.