Investments Investments Table (Details) - USD ($) $ in Thousands	Jun. 30, 2016	May 09, 2016	Dec. 31, 2015
Fair Value Measurement [Domain]
Schedule of Cost and Equity Method Investments [Line Items]
Equity method investments	$ 125,018		$ 130,725
Available-for-sale securities	32,916		32,950
Cost method investments	23,117		14,561
Cost Method Investments, Ownership Percentage		13.00%
Total investments	$ 181,051		$ 178,236
Maximum [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-Sale Securities, Ownership Percentage	25.00%		25.00%
Cost Method Investments, Ownership Percentage	13.00%		10.00%
Equity Method Investments, Ownership Percentage	45.00%		45.00%
Minimum [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-Sale Securities, Ownership Percentage	17.00%		17.00%
Cost Method Investments, Ownership Percentage	2.00%		2.00%
Equity Method Investments, Ownership Percentage	41.00%		43.00%
Convertible debt securities [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-sale securities	$ 10,573		$ 10,116
Redeemable preferred shares [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-sale securities	$ 22,343		$ 22,834

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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