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External-Use Software Development Costs (Tables)
 12 Months Ended
Dec. 31, 2023
Research and Development [Abstract]  
Schedule of Capitalized Computer Software
The carrying amounts of external-use software development costs as of December 31, 2023 and 2022 were as follows:
December 31,
20232022
(In thousands)
Gross carrying amount$239,038 $225,004 
Accumulated amortization(172,379)(144,244)
External-use software development costs, net (1)
$66,659 $80,760 
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(1)     Included in other long-term assets in the Consolidated Balance Sheets.
Schedule of Future Amortization Expenses For Capitalized Software Development Costs
The estimated future amortization expenses for external-use software development costs were as follows:
December 31, 2023
(In thousands)
2024$25,354 
202518,331 
202612,792 
20276,837 
20282,980 
Thereafter365 
Total$66,659