ACQUISITIONS AND DIVESTITURE - Schedule of Fair Values of the Assets Acquired and the Liabilities Assumed in the Business Combination (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Intangible assets:
Goodwill	$ 4,540,660	$ 4,506,554
Mutua Madrid Open [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	18,659
Accounts receivable	2,123
Deferred costs	1,124
Other current assets	470
Property and equipment	162
Right of use assets	0
Other assets	381
Intangible assets:
Goodwill	15,385
Accounts payable and accrued expenses	(1,609)
Other current liabilities	0
Operating lease liability	0
Deferred revenue	(20,780)
Other liabilities	(4,474)
Net assets acquired	418,511
Mutua Madrid Open [Member] | Customer relationships [Member]
Intangible assets:
Acquisition intangible assets	0
Mutua Madrid Open [Member] | Owned events [Member]
Intangible assets:
Acquisition intangible assets	407,070
Mutua Madrid Open [Member] | Other [Member]
Intangible assets:
Acquisition intangible assets	0
FlightScope [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	1,042
Accounts receivable	475
Deferred costs	94
Other current assets	1,640
Property and equipment	1,089
Right of use assets	1,272
Other assets	1,056
Intangible assets:
Goodwill	33,550
Accounts payable and accrued expenses	(806)
Other current liabilities	(187)
Operating lease liability	(1,272)
Deferred revenue	(631)
Other liabilities	(4,334)
Net assets acquired	51,088
FlightScope [Member] | Trade names [Member]
Intangible assets:
Acquisition intangible assets	0
FlightScope [Member] | Customer relationships [Member]
Intangible assets:
Acquisition intangible assets	2,700
FlightScope [Member] | Internally developed software [Member]
Intangible assets:
Acquisition intangible assets	15,400
NCSA [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	3,655
Accounts receivable	5,619
Deferred costs	1,096
Other current assets	10,238
Property and equipment	2,804
Right of use assets	4,951
Other assets	5,472
Intangible assets:
Goodwill	214,106
Accounts payable and accrued expenses	(20,855)
Other current liabilities	(10,318)
Operating lease liability	(4,951)
Deferred revenue	(51,617)
Other liabilities	(31,603)
Net assets acquired	196,797
NCSA [Member] | Trade names [Member]
Intangible assets:
Acquisition intangible assets	21,100
NCSA [Member] | Customer relationships [Member]
Intangible assets:
Acquisition intangible assets	10,000
NCSA [Member] | Internally developed software [Member]
Intangible assets:
Acquisition intangible assets	37,100
Diamond Baseball Holdings [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	0
Accounts receivable	89
Deferred costs	0
Other current assets	491
Property and equipment	4,403
Right of use assets	7,270
Other assets	103
Intangible assets:
Goodwill	25,556
Accounts payable and accrued expenses	(93)
Other current liabilities	(56)
Operating lease liability	(9,470)
Deferred revenue	(1,426)
Other liabilities	0
Net assets acquired	64,237
Diamond Baseball Holdings [Member] | Customer relationships [Member]
Intangible assets:
Acquisition intangible assets	1,960
Diamond Baseball Holdings [Member] | Owned events [Member]
Intangible assets:
Acquisition intangible assets	0
Diamond Baseball Holdings [Member] | Other [Member]
Intangible assets:
Acquisition intangible assets	$ 35,410