Summary of Significant Accounting Policies - Net loss per share (Details) - USD ($) $ in Thousands (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	$ 11,076,620	$ 9,062,875
Options to purchase common stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	9,381,429	7,967,750
Unvested restricted common stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	0	38,141
Unvested Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
DividendsCommon Stock	$ 1,695,191	$ 1,056,984