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Capitalized Software Development Costs, net
 12 Months Ended
Dec. 31, 2022
Research and Development [Abstract]  
Capitalized Software Development Costs, net Capitalized Software Development Costs, net
Capitalized software development costs, net were as follows (in thousands):
December 31,
20222021
Capitalized software development costs, gross$129,749 $115,377 
Less: Accumulated amortization(94,434)(74,165)
Capitalized software development costs, net$35,315 $41,212 
Capitalized software development costs were $17.7 million, $27.2 million and $27.3 million for the years ended December 31, 2022, 2021 and 2020, respectively. Amortization expense with respect to software development costs totaled $23.6 million, $21.5 million and $17.9 million for the years ended December 31, 2022, 2021 and 2020, respectively. During the years ended December 31, 2022 and 2021, we disposed of $3.3 million and $8.8 million, respectively, of fully amortized capitalized software development costs.
Future amortization expense with respect to capitalized software development costs is estimated as follows (in thousands):
Years Ending December 31,
2023$19,237 
202411,407 
20254,377 
2026294 
Total amortization expense$35,315