Summary of Significant Accounting Policies - Segment Revenue and Significant Segment Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Revenue	$ 23,383	$ 21,487	$ 44,608	$ 39,143
Cost of revenue	8,492	8,901	16,336	16,280
Stock-based compensation expense			12,148	11,383
Other	1,987	606	2,691	1,964
Net loss	(13,834)	(15,706)	(27,801)	(37,467)
Reportable segment
Segment Reporting Information [Line Items]
Revenue	23,383	21,487	44,608	39,143
Cost of revenue	8,492	8,901	16,336	16,280
Payroll operating expenses	12,958	13,183	27,466	28,439
Stock-based compensation expense	5,864	5,859	12,148	11,383
Non-payroll operating expenses	10,182	10,170	20,533	20,929
Other	1,987	606	2,691	1,964
Other segment items	(2,266)	(1,526)	(6,765)	(2,385)
Net loss	$ (13,834)	$ (15,706)	$ (27,801)	$ (37,467)