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Note 14 - Segment Information - Reconciliation of Total Reportable Segment Adjusted EBITDAR to Operating Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Total Reportable Segment Adjusted EBITDAR |  |  |  |  |  |  |  |  | $ 980,625 | $ 763,227 | $ 668,977
Corporate expense |  |  |  |  |  |  |  |  | 105,139 | 104,201 | 88,148
Adjusted EBITDAR |  |  |  |  |  |  |  |  | 896,688 | 681,289 | 595,931
Deferred rent |  |  |  |  |  |  |  |  | 979 | 1,100 | 1,267
Master lease rent expense |  |  |  |  |  |  |  |  | 97,723 | 20,682 | 0
Depreciation and amortization |  |  |  |  |  |  |  |  | 276,569 | 229,979 | 217,522
Share-based compensation expense |  |  |  |  |  |  |  |  | 25,202 | 25,379 | 17,413
Project development, preopening and writedowns |  |  |  |  |  |  |  |  | 21,728 | 45,698 | 14,454
Impairment of assets |  |  |  |  |  |  |  |  | 0 | 993 | (426)
Other operating items, net |  |  |  |  |  |  |  |  | 1,919 | 2,174 | 1,900
Total other operating costs and expenses |  |  |  |  |  |  |  |  | 424,120 | 326,005 | 252,130
Operating income | $ 114,859 | $ 113,391 | $ 126,692 | $ 117,626 | $ 94,684 | $ 69,568 | $ 96,258 | $ 94,774 | 472,568 | 355,284 | 343,801
Las Vegas Locals [Member] |  |  |  |  |  |  |  |  |  |  |
Total Reportable Segment Adjusted EBITDAR |  |  |  |  |  |  |  |  | 283,030 | 274,344 | 249,906
Downtown Las Vegas [Member] |  |  |  |  |  |  |  |  |  |  |
Total Reportable Segment Adjusted EBITDAR |  |  |  |  |  |  |  |  | 62,413 | 56,517 | 54,613
Midwest and South [Member] |  |  |  |  |  |  |  |  |  |  |
Total Reportable Segment Adjusted EBITDAR |  |  |  |  |  |  |  |  | 635,182 | 432,366 | 364,458
Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Corporate expense |  |  |  |  |  |  |  |  | $ (83,937) | $ (81,938) | $ (73,046)

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