Income Taxes - The Components of Net Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Net deferred income tax assets (liabilities):
Accrued expenses and reserves	$ 10,907	$ 6,206
Stock-based compensation	5,643	5,321
Software	80	(855)
Goodwill	(14,874)	(13,424)
Net operating loss carryforwards	25,379	27,820
Property and equipment	(2,941)	(3,789)
Deferred revenue	6,539	4,882
Debt Financing	7,396	(88)
Foreign exchange gain/loss	2,010	1,791
Operating lease right-of-use assets and lease liabilities	3,555	5,872
R&D	46,817	28,733
Unrecognized tax benefit	326	408
Credits and incentives	384	374
Other	500	340
Total net deferred income tax assets	84,185	54,014
Less: valuation allowance	(26,453)	(27,925)
Net deferred income tax assets	57,732	26,089
Client Contracts
Net deferred income tax assets (liabilities):
Client contracts and related intangibles	$ (7,536)	$ (9,577)