Summary of Significant Accounting Policies (Schedule of Available-for-sale Investments by Contractual Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Due in 1 year or less	$ 23,512
Due in 1-2 years	6,049
Due in 2-5 years	3,017
Total investments in available for sale debt securities	32,578
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due in 1 year or less	23,598
Due in 1-2 years	6,070
Due in 2-5 years	3,024
Total investments in available for sale debt securities	$ 32,692

Available-for-sale Securities, Debt Maturities, After Year One and Before Two, Amortized Cost Basis

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Available-for-sale Securities, Debt Maturities, After Year One and Before Two, Fair Value

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Available-for-sale Securities, Debt Maturities, After Year Two Through Five, Amortized Cost Basis

+ References

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Available-for-sale Securities, Debt Maturities, Fair Value Amount

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Amount of available-for-sale debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the next fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

+ References

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

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-Topic 210

-SubTopic 10

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-Subparagraph (SX 210.5-02.2)

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Amount of available-for-sale debt securities at fair value maturing in the next fiscal year following the latest fiscal year.

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