Transactions With Related Parties (Schedule Of Transactions With Related Parties) (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
Sandhill [Member]
Related Party Transaction [Line Items]
Related party transaction, revenues	$ 867	[1]	$ 863	[1]	$ 2,235	[1]	$ 2,344	[1]
Davision [Member]
Related Party Transaction [Line Items]
Related party transaction, revenues	0	[2]	399	[2]	0	[2]	1,043	[2]
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Related party transaction, expenses	$ 150		$ 150		$ 450		$ 450
Sandhill Group Llc [Member]
Related Party Transaction [Line Items]
Percentage of interest held	50.00%				50.00%

[1] We own a 50% interest in Sandhill Group, LLC.

[2] Amounts included in discontinued operations for all periods presented.