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%

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_DueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant