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Fair Value Measurements (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Fair Value Disclosures [Abstract]
Unrealized gain/(loss) on available for sale marketable securities, net of taxes	$ (4)	$ (1)	$ 3	[1]	$ (84)
Proceeds from available for sale municipal bonds	763	10,321	2,638		13,321
Realized gain on other income, investment and interest	$ 3	$ 31	$ 7		$ 47
[1] All amounts are net of tax.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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