LEASES - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Fixed lease expense	$ 14,433	$ 12,132	$ 14,720
Variable lease expense	3,691	5,263	4,667
Net lease expense	18,124	17,395	19,387
Lease impairment charges	7,200	700	1,700
Sublease Income	4,300	4,300	4,700
Cost of revenue
Lessee, Lease, Description [Line Items]
Fixed lease expense	410	392	437
Selling and marketing expense
Lessee, Lease, Description [Line Items]
Fixed lease expense	196	116	2,669
Variable lease expense	0	36	200
General and administrative expense
Lessee, Lease, Description [Line Items]
Fixed lease expense	13,184	11,225	11,122
Variable lease expense	3,691	5,071	4,444
Product development expense
Lessee, Lease, Description [Line Items]
Fixed lease expense	643	399	492
Variable lease expense	$ 0	$ 156	$ 23