Summary of Significant Accounting Policies - Research and Development (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Intangible assets
Capitalized software costs in the development stage	$ 19,327	$ 18,374	$ 17,040
Software development amortization expense	$ 13,633	$ 10,265	$ 7,630
Software and Software Development Costs \| Minimum
Intangible assets
Estimated economic life	2 years
Software and Software Development Costs \| Maximum
Intangible assets
Estimated economic life	3 years

Amount of expense for amortization of capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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