CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY [Abstract]
Unrealized holding gains (losses) on marketable securities, tax effect	$ 45	$ (154)	$ (310)
Reclassification adjustment of unrealized holding gains included in net earnings, tax effect	(37)	0	(45)
Reclassification adjustment of unrealized holding losses included in net earnings, tax effect	0	348	0
Change in unfunded SERP liability, taxes	$ 457	$ (210)	$ (306)

Tax effect of the increase (decrease) in the value of the projected benefit obligation and the (increase) decrease in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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Tax effect of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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- Definition

Tax effect of the income statement impact of the reclassification adjustment for unrealized (losses) realized upon the write-down of available-for-sale securities.

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- Definition

Tax effect of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

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