Contingent Consideration Liability (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Contingent Consideration Liability [Abstract]
Contingent Consideration Liability		$ 3,000
Change in contingent consideration liability		3,000
Goodwill impairment charges	0us-gaap_GoodwillImpairmentLoss	2,840us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Impairment of finite lived intangible assets	$ 2,063

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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