Revenue Recognition - Summary of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Net revenue	$ 106,150	$ 119,934	$ 336,027	$ 384,746
Related Party
Disaggregation of Revenue [Line Items]
Net revenue	351	637	1,250	1,363
Nonrelated Party
Disaggregation of Revenue [Line Items]
Net revenue	105,799	119,297	334,777	383,383
United States
Disaggregation of Revenue [Line Items]
Net revenue	106,150	119,707	335,936	384,419
International
Disaggregation of Revenue [Line Items]
Net revenue	0	227	91	327
Membership subscriptions
Disaggregation of Revenue [Line Items]
Net revenue	48,177	46,915	137,988	148,219
Term subscriptions
Disaggregation of Revenue [Line Items]
Net revenue	57,404	72,075	196,153	234,102
Non-subscription revenue
Disaggregation of Revenue [Line Items]
Net revenue	569	944	1,886	2,425
Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	105,581	118,990	334,141	382,321
Transferred at a point in time
Disaggregation of Revenue [Line Items]
Net revenue	569	944	1,886	2,425
Subscriptions
Disaggregation of Revenue [Line Items]
Net revenue	105,581	118,990	334,141	382,321
Subscriptions | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	105,581	118,990	334,141	382,321
Subscriptions | Transferred at a point in time
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Advertising
Disaggregation of Revenue [Line Items]
Net revenue	192	169	508	606
Advertising | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Advertising | Transferred at a point in time
Disaggregation of Revenue [Line Items]
Net revenue	192	169	508	606
Revenue Share | Related Party
Disaggregation of Revenue [Line Items]
Net revenue	351	637	1,250	1,363
Revenue Share | Nonrelated Party
Disaggregation of Revenue [Line Items]
Net revenue	26	138	128	456
Revenue Share | Transferred over time | Related Party
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Revenue Share | Transferred over time | Nonrelated Party
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Revenue Share | Transferred at a point in time | Related Party
Disaggregation of Revenue [Line Items]
Net revenue	351	637	1,250	1,363
Revenue Share | Transferred at a point in time | Nonrelated Party
Disaggregation of Revenue [Line Items]
Net revenue	$ 26	$ 138	$ 128	$ 456