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Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Historical Cost | $ 60,931 | $ 60,931
Accumulated Amortization | (20,153) | (13,178)
Net Balance | 40,778 | 47,753
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 9 years 0 months | 9 years 0 months
Historical Cost | 53,957 | 53,957
Accumulated Amortization | (17,234) | (11,237)
Net Balance | 36,723 | 42,720
Trade names and trademarks |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 10 years 0 months | 10 years 0 months
Historical Cost | 5,300 | 5,300
Accumulated Amortization | (1,590) | (1,060)
Net Balance | 3,710 | 4,240
Non-compete agreements |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Historical Cost | 1,674 | 1,674
Accumulated Amortization | (1,329) | (881)
Net Balance | $ 345 | $ 793
Minimum | Non-compete agreements |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 2 years 6 months |
Maximum | Non-compete agreements |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 5 years |

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References 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 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References 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 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References 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 + Details
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