Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Consolidated net (loss) income	$ (15,657)	$ 28,353
Adjustments to reconcile consolidated net (loss) income to net cash provided by operating activities:
Depreciation and amortization	9,275	8,648
Stock-based compensation expense	7,211	5,829
Provision for doubtful accounts	0	43
Litigation-contingency expense	19,500	0
(Decrease) increase in long-term deferred revenue	(720)	1,616
Increase (decrease) in other assets	227	(103)
Deferred income taxes	11	(63)
(Decrease) increase in long-term income taxes payable	(311)	13
Change in current assets and liabilities, net	(1,388)	(15,183)
Net cash provided by operating activities	18,148	29,153
Investing activities:
Additions to property, plant and equipment and internal-use software	(13,411)	(18,627)
Net cash used for investing activities	(13,411)	(18,627)
Financing activities:
Proceeds from employee stock plans	5,138	2,722
Net cash provided by financing activities	5,138	2,722
Effect of foreign exchange rates on cash	(210)	(30)
Net increase in cash and cash equivalents	9,665	13,218
Cash and cash equivalents at beginning of period	242,219	190,611
Cash and cash equivalents at end of period	251,884	203,829
Supplemental disclosure:
Purchases of property, plant and equipment and internal-use software incurred but not yet paid	$ 2,133	$ 1,883