Income Taxes - Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 811	$ 263	$ 56
Accruals and allowances	1,489	1,067	1,104
Tax credits	2,023	1,954	1,396
Stock-based compensation	6,967	4,907	3,171
Unrealized gain on equity investment	0	124	0
Intangibles assets	816	907	1,010
Lease obligation	4,081	5,074	5,226
R&D capitalization	15,419	0	0
Other	931	1,222	808
Total deferred tax assets, net of valuation allowance	32,537	15,518	12,771
Valuation allowance	(2,023)	(1,954)	(1,396)
Total deferred tax assets, net of valuation allowance	30,514	13,564	11,375
Deferred tax liabilities:
Property, equipment, and software	(9,273)	(3,905)	(8,316)
Goodwill	(956)	(843)	(749)
Prepaid expense	(1,023)	(1,188)	(1,365)
Right-of-use asset	(3,933)	(5,158)	(5,201)
Acquired intangibles	(1,449)	(1,996)	0
Unrealized loss on equity investment	0	0	(1,296)
Total deferred tax liabilities	(16,634)	(13,090)	(16,927)
Net deferred income tax asset (liabilities)			$ (5,552)
Net deferred income tax asset (liabilities)	$ 13,880	$ 474