INCOME TAXES - Narrative (Detail) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Contingency [Line Items]
Provision for income taxes		$ 8,178,000	$ 2,844,000	$ 14,243,000	$ 4,351,000
Net income (loss) before provision for income taxes		29,114,000	9,872,000	53,834,000	19,657,000
Immersion
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 7,600,000	7,600,000		7,600,000
Unrecognized tax benefits, interest on income taxes accrued	300,000	300,000		300,000
Amount of unrecognized tax benefits that would affect effective tax rate, if recognized	4,900,000	4,900,000		4,900,000
Deferred Tax Assets, Net	3,300,000	3,300,000		3,300,000
Deferred Tax Liabilities, Gross	0	0		0
Provision for income taxes		8,178,000	2,844,000	14,243,000	4,351,000
Net income (loss) before provision for income taxes		$ 29,114,000	$ 9,872,000	$ 53,834,000	$ 19,657,000
Effective income tax rate		(28.10%)	(28.80%)	(26.50%)	(22.10%)
Barnes & Noble Education, Inc.
Income Tax Contingency [Line Items]
Provision for income taxes	$ 100,000
Effective income tax rate	(0.10%)
Federal | Barnes & Noble Education, Inc.
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 265,500	$ 265,500		$ 265,500