Common Share Repurchases (Details) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Number of shares repurchased under share repurchase authorization (in shares) | shares	2,900,000	5,800,000
Cost of shares repurchased under share repurchase authorization	$ 500,000	$ 1,000,000
Average cost per share repurchased under share repurchase authorization (in dollars per share) | $ / shares	$ 172.56	$ 172.33
Number of shares acquired to cover tax withholding costs and exercise costs (in shares) | shares	2,394	400,000
Cost of shares acquired to cover tax withholding costs and exercise costs	$ 414	$ 59,000
Remaining capacity under share repurchase authorization	$ 3,010,000	$ 3,010,000