NET INCOME PER SHARE - Narrative (Details) - shares	Jun. 30, 2021	Dec. 31, 2020	Jun. 05, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Common stock, authorized (in shares)	900,000,000	900,000,000
Class A Common
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Additional shares authorized (in shares)			6,000,000
Common stock, authorized (in shares)	750,000,000	750,000,000	13,335,430