SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Content Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Licensed content assets acquired:
Current portion	$ (33,348)	$ (29,748)
Noncurrent portion	82,132	$ 82,448
Content Assets
Produced content assets:
Completed	139,304		$ 132,273
In-production	13,024		11,726
Licensed content assets acquired:
Acquired	36,643		35,520
Content assets, at cost	188,971		179,519
Less: Accumulated amortization	(73,491)		(67,323)
Content assets, net	115,480		112,196
Current portion	(33,348)		(29,748)
Noncurrent portion	$ 82,132		$ 82,448
Content Assets | Maximum
Content Assets [Line Items]
Period of Amortization (in years)	5 years		5 years
Content Assets | Minimum
Content Assets [Line Items]
Period of Amortization (in years)	1 year		1 year