MARKETABLE SECURITIES (Details) (USD $)	Dec. 31, 2014 security	Dec. 31, 2013
Available-for-sale marketable securities
Amortized Cost	$ 159,516,000	$ 1,220,000
Gross unrealized gain	1,387,000	4,784,000
Gross Unrealized Losses	(255,000)	0
Marketable securities	160,648,000	6,004,000
Number of securities in loss position	58
Corporate debt securities
Available-for-sale marketable securities
Amortized Cost	159,418,000	1,004,000
Gross unrealized gain	34,000	4,000
Gross Unrealized Losses	(255,000)	0
Marketable securities	159,197,000	1,008,000
Fair value of securities in loss position	123,200,000
Total debt securities
Available-for-sale marketable securities
Amortized Cost	159,418,000	1,004,000
Gross unrealized gain	34,000	4,000
Gross Unrealized Losses	(255,000)	0
Marketable securities	159,197,000	1,008,000
Marketable equity security
Available-for-sale marketable securities
Amortized Cost	98,000	216,000
Gross unrealized gain	1,353,000	4,780,000
Gross Unrealized Losses	0	0
Marketable securities	$ 1,451,000	$ 4,996,000

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

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