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SHAREHOLDERS' EQUITY (Schedule of Intrinsic and Fair Values of RSU's) (Details) (USD $) - RSU's [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
The intrinsic value of RSU's exercised	$ 12,996	$ 1,177
The original fair value of RSU's exercised	$ 8,138	$ 994

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- Definition

The original fair value of RSU's exercised.

+ References

No definition available.

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- Definition

Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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