Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,946	$ 24,763
Accumulated Amortization	(13,934)	(14,228)
Net Carrying Amount	9,012us-gaap_FiniteLivedIntangibleAssetsNet	10,535us-gaap_FiniteLivedIntangibleAssetsNet
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,796	22,603
Accumulated Amortization	(12,596)	(13,042)
Net Carrying Amount	8,200	9,561
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	0
Accumulated Amortization	0	0
Net Carrying Amount	0	0
Intellectual property and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,150	2,160
Accumulated Amortization	(1,338)	(1,186)
Net Carrying Amount	$ 812	$ 974

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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