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STOCK-BASED COMPENSATION - Schedule of Compensation Cost Recognized (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Compensation cost	$ 71,296	$ 65,183	$ 106,956
Less: Reimbursed costs and capitalized cost	0	(1,198)	(2,118)
Compensation cost after reimbursed costs and capitalized cost	71,296	63,985	104,838
Less: Related tax benefit	(14,458)	(12,982)	(20,605)
Compensation cost, net of tax benefit	56,838	51,003	84,233
2022 Omnibus Incentive Plan
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Compensation cost	60,264	53,683	93,096
MGP Omnibus Plan
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Compensation cost	5,112	4,827	2,854
MGM China Plan
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Compensation cost	$ 5,920	$ 6,673	$ 11,006

X

- Definition

Represents the gross compensation cost recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees, before reimbursed costs, if any, and capitalized amount.

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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