Goodwill and Intangible Assets, Net - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
	Jul. 31, 2021	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		$ 51,889,000			$ 51,889,000		$ 51,889,000
Goodwill impairment amount				$ 0
Amortization of intangible assets		1,100,000			1,500,000	$ 200,000
Estimated remaining amortization expense for remainder of 2021		1,000,000.0			1,000,000.0
Estimated remaining amortization expense in 2022		4,000,000.0			4,000,000.0
Estimated remaining amortization expense in 2023		3,900,000			3,900,000
Estimated remaining amortization expense in 2024		3,900,000			3,900,000
Estimated remaining amortization expense in 2025		3,900,000			3,900,000
Estimated remaining amortization expense in 2026		3,900,000			3,900,000
Maximum [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of intangible assets			$ 100,000
Sponsorship Rights [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
One-time payment for intangible asset agreement	$ 1,500,000
Naming Rights [Member] | Minimum [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Annual payments for intangible asset agreement					4,000,000.0
Naming Rights [Member] | Maximum [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Annual payments for intangible asset agreement					6,100,000
Goodwill [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		$ 51,900,000			$ 51,900,000		$ 51,900,000