Investments - Carrying Value (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities	$ 14,450
Available-for-sale securities	17,227
Held-to-maturity securities, 1-90 days	1,496
Held-to-maturity securities, 91-360 days	4,438
Held-to-maturity securities, over 360 days	4,990
Held-to-maturity securities, remaining maturities from 1-3 years	2,073
Held-to-maturity securities, remaining maturities from 3-5 years	1,453
Short-term Investments
Schedule of Held-to-maturity Securities [Line Items]
Available-for-sale securities and held-to-maturity securities	23,161
Long Term Investments
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities	8,516
Mutual Funds - Corporate & Government Debt
Schedule of Held-to-maturity Securities [Line Items]
Available-for-sale securities	17,227
Time Deposits
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities	10,924
Time Deposits \| Short-term Investments
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities, 1-90 days	1,496
Held-to-maturity securities, 91-360 days	4,438
Time Deposits \| Long Term Investments
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities, over 360 days	4,990
Fixed Income Bonds
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities	3,526
Fixed Income Bonds \| Long Term Investments
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities, remaining maturities from 1-3 years	2,073
Held-to-maturity securities, remaining maturities from 3-5 years	$ 1,453

Held-To-Maturity Securities, Debt Maturities, 1 To 90 Days, Net Carrying Amount

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Held-To-Maturity Securities, Debt Maturities, 91 To 360 Days, Net Carrying Amount

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Held-To-Maturity Securities, Debt Maturities, Over 360 Days, Net Carrying Amount

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Held-to-maturity Securities, Debt Maturities, after One Through Three Years, Net Carrying Amount

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Held-to-maturity Securities, Debt Maturities, after Three Through Five Years, Net Carrying Amount

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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Amount of debt and equity financial instruments classified as either held-to-maturity or available-for-sale.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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