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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.

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