Income Taxes - Deferred assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Accrued compensation	$ 3,821	$ 4,529
Deferred revenue	12,883	8,331
Section 174 capitalization	9,540	0
Stock-based compensation	14,960	5,026
Federal tax credits	8,949	6,668
Foreign withholding taxes	2,782	0
Net operating losses	50,794	46,173
State tax credits	2,495	2,086
Business interest limitation	10,054	10,450
Operating lease liabilities	4,347	4,848
2026 Notes	6,627	8,304
Other	3,842	3,267
Gross deferred tax assets	131,094	99,682
Valuation allowance	(63,541)	(31,512)
Total deferred tax assets	67,553	68,170
Deferred tax liabilities:
Deferred contract costs	(14,170)	(10,491)
Operating lease right-of-use assets	(3,520)	(4,047)
Intangibles and other	(50,578)	(59,670)
Other	(300)	(1,191)
Gross deferred tax liabilities	(68,568)	(75,399)
Net deferred tax liabilities	(1,015)	(7,229)
Non-current deferred tax assets	4,490	1,471
Non-current deferred tax liabilities	$ (5,505)	$ (8,700)