(Unaudited) | ||||||||||||||||
Three Months Ended
September 30, |
Nine Months Ended
September 30, | |||||||||||||||
(in thousands) | 2024 | 2023 | 2024 | 2023 | ||||||||||||
Total operating expense | $ | 125,747 | $ | 116,181 | $ | 375,013 | $ | 370,927 | ||||||||
Stock-based compensation expense | (15,225 | ) | (18,058 | ) | (44,480 | ) | (58,631 | ) | ||||||||
Amortization | (9,246 | ) | (7,704 | ) | (24,313 | ) | (23,143 | ) | ||||||||
Loss on mark-to-market adjustment of
contingent consideration | — | 3,493 | (189 | ) | (4,494 | ) | ||||||||||
Non-GAAP operating expense | $ | 101,276 | $ | 93,912 | $ | 306,031 | $ | 284,659 | ||||||||