Stock-Based Compensation - Early Exercise Of Stock Options (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock-Based Compensation
Early exercised stock options, Unvested balance at beginning of period	29	182	755
Vested	(29)	(153)	(306)
Forfeited			(267)
Early exercised stock options, Unvested balance at end of period		29	182