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Property and Equipment, Net - Depreciation Expense Table (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Depreciation Expense [Line Items] |  |  |  |
Depreciation expense |  |  | $ 18,890 | $ 17,710
Continuing Operations [Member] |  |  |  |
Depreciation Expense [Line Items] |  |  |  |
Depreciation expense | $ 5,840 | $ 5,730 | 18,890 | 17,710
Cost of Sales [Member] | Continuing Operations [Member] |  |  |  |
Depreciation Expense [Line Items] |  |  |  |
Depreciation expense | 5,440 | 5,120 | 17,380 | 15,590
Selling, General and Administrative Expenses [Member] | Continuing Operations [Member] |  |  |  |
Depreciation Expense [Line Items] |  |  |  |
Depreciation expense | $ 400 | $ 610 | $ 1,510 | $ 2,120

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- Definition Depreciation Expense [Line Items] + References No definition available. + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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