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The Company and Its Significant Accounting Policies (Income Taxes) (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Accounting Policies [Abstract] | |||
| Gain on sale of discontinued operations | $ 24,291,000 | $ 0 | $ 0 |
| Tax effect from sale of discontinued operation | $ (8,300,000) | ||