Subsequent Events - Additional Information (Detail) - StarLark and Lvy [Member] - USD ($) $ in Millions	Oct. 05, 2021	Aug. 03, 2021
Subsequent Event [Line Items]
Business acquisition effective date of acquisition		Aug. 03, 2021
Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition effective date of acquisition	Oct. 05, 2021
Business acquisition, cost of acquired entity upfront cash paid	$ 276.0
Business acquisition, retained in escrow	$ 40.0
Business acquisition, escrow period	15 months
Business combination payments description	the issuance of 20,009,528 shares of Class A common stock of Zynga, valued at $145.7 million on the StarLark Closing Date.
Class A Common stock [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition consideration by shares	20,009,528
Business acquisition consideration by value	$ 145.7