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Finite-Lived Intangibles Table (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, cost | $ 23,811 | $ 44,466
Finite-lived intangible assets, accumulated amortization | (21,116) | (40,326)
Finite-lived intangible assets, carrying value | 2,695 | 4,140
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, cost | 23,811 | 43,966
Finite-lived intangible assets, accumulated amortization | (21,116) | (39,891)
Finite-lived intangible assets, carrying value | 2,695 | 4,075
Noncompete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, cost | 0 | 500
Finite-lived intangible assets, accumulated amortization | 0 | (435)
Finite-lived intangible assets, carrying value | 0 | 65
Intangible Assets Including Goodwill [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, accumulated amortization | $ (21,116) | $ (40,326)

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