Transactions With Related Parties (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Sandhill [Member]
Related Party Transaction [Line Items]
Due from related parties		$ 300		$ 300		$ 300
Revenue from Related Parties	[1]	$ 913	$ 867	$ 2,418	$ 2,235
Sandhill Group Llc [Member]
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage		50.00%		50.00%

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