Organization and Significant Accounting Policies - Computation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss	$ (152,149)	$ (144,326)	$ (78,994)
Denominator:
Weighted average shares outstanding, basic	103,373	96,197	67,020
Weighted average shares outstanding, diluted	103,373	96,197	67,020
Net loss per share, basic	$ (1.47)	$ (1.50)	$ (1.18)
Net loss per share, diluted	$ (1.47)	$ (1.50)	$ (1.18)