INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 145,160	$ 182,386
Tax credit carryforwards	29,685	26,519
Capitalized research & development expenditures	29,230	18,919
Capitalized software, leasehold improvements and equipment, net	22,961	10,923
Accrued expenses	13,697	11,828
Long-term lease liabilities	11,816	16,288
Other	17,829	21,657
Total deferred tax assets	270,378	288,520
Less valuation allowance	(42,493)	(76,821)
Total deferred tax assets, net of valuation allowance	227,885	211,699
Deferred tax liabilities:
Intangible assets, net	(46,192)	(46,571)
Right-of-use assets	(7,554)	(10,588)
Capitalized costs to obtain a contract with a customer	(6,567)	(9,004)
Other	0	(92)
Total deferred tax liabilities	(60,313)	(66,255)
Net deferred tax assets	$ 167,572	$ 145,444