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Prior Periods Financial Statement Revision - Schedule of Correction of Misstatements and Revision on Condensed Consolidated Statements of Cash Flow (Phantom) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2017
Accounting Changes and Error Corrections [Abstract] |  |
Depreciation and amortization | $ 1,611 | $ 7,722

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- Definition Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 + Details
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