Subsequent Events (Details) ¥ in Millions		1 Months Ended
	Mar. 11, 2022 USD ($) shares	Mar. 31, 2022 USD ($)	Mar. 31, 2022 CNY (¥)	Feb. 28, 2022 USD ($)	Jan. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
The Fund | Forecast
Subsequent Event [Line Items]
Investment company, committed capital		$ 47,500,000	¥ 300.0
Limited partnership agreement, term		7 years	7 years
Limited partnership agreement, option to extend, term		2 years	2 years
Mo Pub
Subsequent Event [Line Items]
Business acquisition, transaction costs						$ 1,600,000
Subsequent Event | Common Class A
Subsequent Event [Line Items]
Stock repurchase program, authorized amount				$ 750,000,000
Treasury stock, shares, acquired | shares	893,556
Treasury stock, common, value	$ 43,700,000
Subsequent Event | Mo Pub
Subsequent Event [Line Items]
Consideration paid					$ 1,000,000,000
Subsequent Event | Wurl, Inc.
Subsequent Event [Line Items]
Total consideration				$ 430,000,000
Business combination, consideration transferred, cash, percentage				55.00%
Subsequent Event | Wurl, Inc. | Common Class A
Subsequent Event [Line Items]
Business combination, consideration transferred, equity interests issued and issuable, percentage				45.00%
Business combination, consideration transferred, cash and equity interests issued and issuable, earnout				$ 600,000,000