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Marketable Securities (Summary of Investment Securities in an Unrealized Loss Position) (Details) - Corporate debt securities [Member] $ in Thousands	Jun. 30, 2015 USD ($)
Unrealized Losses
Less than 12 months	$ (90)
12 months or more	(267)
Total	(357)
Fair Value
Less than 12 months	11,336
12 months or more	25,076
Total	$ 36,412

X

- Definition

Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity that have been in a continuous loss position for twelve months or longer.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 50



-Paragraph 7



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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity in a continuous loss position.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



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-Section 50



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+ References

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



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-Name Accounting Standards Codification



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