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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Goodwill The following table displays the changes in the gross carrying amount of goodwill:
 Amount
 (in thousands)
Balance at December 31, 2021$515,258 
IntSights acquisition adjustments373 
Balance at December 31, 2022$515,631 
Minerva acquisition20,720 
Balance at December 31, 2023$536,351 
Summary of Identifiable Intangible Assets
The following table presents details of our intangible assets which include acquired identifiable intangible assets and capitalized internal-use software costs:
 Weighted-
Average Estimated Useful Life (years)		As of December 31, 2023As of December 31, 2022
 Gross Carrying
Amount		Accumulated
Amortization		Net Book ValueGross Carrying
Amount		Accumulated
Amortization		Net Book Value
  (in thousands)
Intangible assets subject to amortization:
Developed technology5.4$135,355 $(77,031)$58,324 $122,555 $(58,645)$63,910 
Customer relationships4.512,000 (7,755)4,245 12,000 (5,146)6,854 
Trade names3.12,619 (2,379)240 2,619 (1,874)745 
Total acquired intangible assets$149,974 $(87,164)$62,810 $137,174 $(65,665)$71,509 
Internal-use software3.055,371 (23,635)31,736 43,002 (13,242)29,760 
Total intangible assets$205,345 $(110,799)$94,546 $180,176 $(78,907)$101,269 
Summary of Estimated Amortization Expense
Estimated future amortization expense of the acquired identifiable intangible assets and completed capitalized internal-use software costs as of December 31, 2023 was as follows (in thousands):
2024$30,880 
202526,795 
202617,220 
20276,806 
20281,600 
2029 and thereafter3,531 
Total$86,832