Stock Benefit Plans (The Status of Stock Option Awards) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) $ / shares shares
Shares
Beginning balance (in shares) | shares	6,595,762
Granted (in shares) | shares	625,702
Exercised (in shares) | shares	(1,548,811)
Forfeited (in shares) | shares	(62,000)
Ending balance (in shares) | shares	5,610,653
Options vested or expected to vest (in shares) | shares	5,567,404
Options exercisable (in shares) | shares	3,758,467
Weighted Average  Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 110.90
Granted (in dollars per share) | $ / shares	200.47
Exercised (in dollars per share) | $ / shares	88.35
Forfeited (in dollars per share) | $ / shares	153.30
Ending balance (in dollars per share) | $ / shares	126.64
Options vested or expected to vest (in dollars per share) | $ / shares	126.34
Options exercisable (in dollars per share) | $ / shares	$ 107.39
Weighted Average Remaining Contractual Term
Ending balance (term)	5 years 1 month 6 days
Options vested or expected to vest (term)	5 years
Options exercisable (term)	3 years 10 months 24 days
Aggregate Intrinsic Value ($000)
Ending balance | $	$ 480,014
Options vested or expected to vest | $	477,963
Options exercisable | $	$ 393,899