Fair Value (Details 2) (Potential earn out obligation, Trynex, USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013
Potential earn out obligation \| Trynex
Reconciliation of liability related to earnout
Additions	$ 3,587
Balance at the end of the period	$ 3,587

This element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant