Revenues - Revenues By Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended					6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	$ 544,274	$ 503,236	$ 459,871	$ 430,376	$ 413,278	$ 963,107	$ 1,507,381	$ 1,130,323	$ 1,560,699	$ 1,187,143	$ 865,638
United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	482,596				341,767		1,298,775	954,023
Other countries
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	$ 61,678				$ 71,511		$ 208,606	$ 176,300
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	100.00%				100.00%		100.00%	100.00%
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk | United States
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	89.00%				83.00%		86.00%	84.00%
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk | Other countries
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	11.00%				17.00%		14.00%	16.00%