Stock-Based Compensation (Summary of Activity of Options Outstanding not yet Vested) (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2024 $ / shares shares
Stock-Based Compensation [Abstract]
Number of Shares, Unvested as of December 31, 2023 | shares	28
Number of Shares, Vested | shares	(6)
Number of Shares, Unvested as of December 31, 2024 | shares	22
Weighted-Average Fair Value Per Share, Unvested as of December 31, 2023 | $ / shares	$ 65.61
Weighted-Average Fair Value Per Share, Vested | $ / shares	66.73
Weighted-Average Fair Value Per Share, Unvested as of December 31, 2024 | $ / shares	$ 65.31