MARKETABLE SECURITIES (Investments In Marketable Securities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 4,804	$ 9,705
Gross unrealized Gains	1,076	1,088
Gross unrealized Losses	(41)	(117)
Fair value	5,839	10,676
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	4,804	9,146
Gross unrealized Gains	1,076	1,087
Gross unrealized Losses	(41)	(117)
Fair value	5,839	10,116
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost		559
Gross unrealized Gains		1
Gross unrealized Losses
Fair value		$ 560

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

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.

+ References+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details