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Summary of Capital Expenditures Including Accrued Amounts (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |
Total capital expenditures | $ 22,633 | $ 71,354 | $ 43,839 | $ 84,281
Owned and managed |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total capital expenditures | 18,089 | 59,453 | 34,929 | 70,731
Managed-only |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total capital expenditures | 1,034 | 686 | 1,814 | 1,341
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total capital expenditures | $ 3,510 | $ 11,215 | $ 7,096 | $ 12,209

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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