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Property And Equipment (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Depreciation expense $ 4,292us-gaap_Depreciation $ 4,696us-gaap_Depreciation $ 3,685us-gaap_Depreciation
Continuing Operations [Member]      
Depreciation expense $ 4,253us-gaap_Depreciation
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
$ 4,558us-gaap_Depreciation
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
$ 3,448us-gaap_Depreciation
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember