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Stockholders' Equity (Outstanding stock options) (Details)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Range Of Exercise Prices, $18.02-18.02
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of outstanding options at end of year (in shares) | shares	13,333
Weighted-average remaining contractual life, options outstanding	2 years 5 months 23 days
Weighted average exercise price, options outstanding (in usd per share)	$ 18.02
Number of exercisable options at end of year (in shares) | shares	6,667,000
Weighted average exercise price, options exercisable (in usd per share)	$ 18.02
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term	2 years 5 months 23 days
Exercise price range, lower range limit (in usd per share)	$ 4.78
Exercise price range, upper range limit (in usd per share)	$ 5.94
Range Of Exercise Prices, $20.06-26.54
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of outstanding options at end of year (in shares) | shares	435,535
Weighted-average remaining contractual life, options outstanding	4 years 2 months 8 days
Weighted average exercise price, options outstanding (in usd per share)	$ 24.85
Number of exercisable options at end of year (in shares) | shares	415,569,000
Weighted average exercise price, options exercisable (in usd per share)	$ 24.82
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term	4 years 1 month 24 days
Exercise price range, lower range limit (in usd per share)	$ 16.73
Exercise price range, upper range limit (in usd per share)	$ 20.49
Range Of Exercise Prices, $31.58-31.58
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of outstanding options at end of year (in shares) | shares	12,600
Weighted-average remaining contractual life, options outstanding	9 years 9 months
Weighted average exercise price, options outstanding (in usd per share)	$ 31.58
Number of exercisable options at end of year (in shares) | shares	0
Weighted average exercise price, options exercisable (in usd per share)	$ 0
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term	0 years
Range of Exercise Prices, $34.79-49.88
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of outstanding options at end of year (in shares) | shares	1,107,000
Weighted-average remaining contractual life, options outstanding	8 years 5 months 19 days
Weighted average exercise price, options outstanding (in usd per share)	$ 39.56
Number of exercisable options at end of year (in shares) | shares	169,980,000
Weighted average exercise price, options exercisable (in usd per share)	$ 34.79
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term	8 years 1 month 20 days
Exercise price range, lower range limit (in usd per share)	$ 22.58
Exercise price range, upper range limit (in usd per share)	$ 26.93
Range of Exercise Prices, $18.02-49.48
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of outstanding options at end of year (in shares) | shares	1,568,468
Weighted-average remaining contractual life, options outstanding	7 years 2 months 26 days
Weighted average exercise price, options outstanding (in usd per share)	$ 35.23
Number of exercisable options at end of year (in shares) | shares	592,216,000
Weighted average exercise price, options exercisable (in usd per share)	$ 27.60
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term	5 years 3 months 7 days
Exercise price range, lower range limit (in usd per share)	$ 4.78
Exercise price range, upper range limit (in usd per share)	$ 26.93

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