Income Tax - Components of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Federal and state net operating losses	$ 46,108	$ 50,498
Research and development credits	34,556	27,729
Property and equipment	940	586
Accruals and other	10,675	9,016
Share-based compensation	8,087	10,484
Research and development capitalization expenditures	40,453	36,743
Reserve for contract contingencies and processing errors	465	951
Deferred revenue	1,174	1,018
Lease liability	1,277	2,288
Total deferred tax assets	143,735	139,313
Less valuation allowance	(135,697)	(128,150)
Total deferred tax assets, net of valuation allowance	8,038	11,163
Deferred tax liabilities
Intangibles	(7,061)	(9,025)
Right-of-use asset	(581)	(1,643)
Total deferred tax liabilities	(7,642)	(10,668)
Net deferred tax assets	$ 396	$ 495