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Transactions With Related Parties (Narrative) (Details) - USD ($) $ in Millions | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Sandhill [Member] |  |
Related Party Transaction [Line Items] |  |
Due from related parties | $ 0.2 | $ 0.3
Sandhill Group Llc [Member] |  |
Related Party Transaction [Line Items] |  |
Percentage of interest held | 50.00% |

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