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Acquisitions (Schedule of Intangible Assets Acquired as Part of Business Combination) (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |  |  | 6 Months Ended
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Jun. 30, 2014 Contractor Relations [Member] | Jun. 30, 2014 Non-compete agreements | Jun. 30, 2014 Computer Software, Intangible Asset [Member] | Dec. 05, 2013 CyberCoders [Member] | Dec. 05, 2013 CyberCoders [Member] Trademarks [Member] | Dec. 05, 2013 CyberCoders [Member] Contractor Relations [Member] | Dec. 05, 2013 CyberCoders [Member] Customer relations | Dec. 05, 2013 CyberCoders [Member] Non-compete agreements | Dec. 05, 2013 CyberCoders [Member] Computer Software, Intangible Asset [Member] | Dec. 02, 2013 Whitaker [Member] | Dec. 02, 2013 Whitaker [Member] Trademarks [Member] | Dec. 02, 2013 Whitaker [Member] Contractor Relations [Member] | Dec. 02, 2013 Whitaker [Member] Customer relations | Dec. 02, 2013 Whitaker [Member] Non-compete agreements | Jun. 30, 2014 Minimum [Member] Customer relations | Jun. 30, 2014 Maximum [Member] Customer relations
Acquired Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life | 2 years 6 months | 3 years | 6 years |  |  |  |  |  |  |  |  |  |  |  | 3 years | 7 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  | $ 36,450 | $ 12,100 | $ 3,900 | $ 750 | $ 800 | $ 18,900 | $ 9,760 | $ 2,000 | $ 1,800 | $ 5,900 | $ 60 |  |

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- Definition Acquired Finite Lived Intangible Assets Average Useful Life + References No definition available. + Details
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- Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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