Stock-Based Compensation (Schedule of Shares and Units of Restricted Common Stock) (Details) - Restricted Stock Units (RSUs) shares in Thousands	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Number of Shares/Units
Outstanding at beginning of year — unvested (in shares) | shares	5,015
Granted (in shares) | shares	4,439
Cancelled (in shares) | shares	(1,118)
Vested (in shares) | shares	(2,154)
Outstanding at end of year — unvested (in shares) | shares	6,182
Weighted Average Grant Date Fair Value
Outstanding at beginning of year — unvested (in dollars per share) | $ / shares	$ 18.19
Granted (in dollars per share) | $ / shares	10.26
Cancelled (in dollars per share) | $ / shares	15.45
Vested (in dollars per share) | $ / shares	13.09
Outstanding at end of year — unvested (in dollars per share) | $ / shares	$ 14.77