Share-Based Compensation - Weighted-Average Assumptions and Resulting Grant Date Fair Value (Details) - Employee Stock Option - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Schedule of Weighted Average Assumptions for Fair Values of Stock Options[Line Items]
Shares underlying options granted (in shares)	0	15,000	0	110,000
Weighted-average grant date fair value (in dollars per share)		$ 51.76		$ 51.39
Weighted-average volatility (as a percent)		35.00%		37.00%
Weighted-average expected term	0 years	4 years 6 months		4 years 6 months
Range of risk-free rates (as a percent)		0.80%
Range of risk-free rates, minimum (as a percent)				0.40%
Range of risk-free rates, maximum (as a percent)				0.80%
Expected dividend yield (as a percent)		0.00%		0.00%