Summary of Significant Accounting Policies - Net loss per share (Details) - USD ($) $ in Thousands (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	$ 13,336,931	$ 11,076,620
Options to purchase common stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	9,914,719	9,381,429
Unvested Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	$ 3,422,212	$ 1,695,191