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Segment Information - Summary of Assets by Segment (Detail) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Assets | $ 14,885,675 | $ 13,871,281
Corporate and other |  |
Segment Reporting Information [Line Items] |  |
Assets | 2,629,920 | 2,193,396
Operating Segments | Las Vegas Operations |  |
Segment Reporting Information [Line Items] |  |
Assets | 3,060,303 | 2,806,972
Operating Segments | Encore Boston Harbor |  |
Segment Reporting Information [Line Items] |  |
Assets | 2,331,115 | 2,456,667
Operating Segments | Macau |  |
Segment Reporting Information [Line Items] |  |
Assets | 6,864,337 | 6,414,246
Operating Segments | Macau | Wynn Macau |  |
Segment Reporting Information [Line Items] |  |
Assets | 1,586,192 | 1,656,625
Operating Segments | Macau | Wynn Palace |  |
Segment Reporting Information [Line Items] |  |
Assets | 3,568,590 | 3,734,210
Operating Segments | Macau | Other Macau |  |
Segment Reporting Information [Line Items] |  |
Assets | $ 1,709,555 | $ 1,023,411

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