Common Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Apr. 19, 2023
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Number of shares repurchased under share repurchase authorization (in shares)	600,000	5,000,000
Cost of shares repurchased under share repurchase authorization	$ 100,000	$ 900,000
Average cost per share repurchased under share repurchase authorization (in dollars per share)	$ 164.46	$ 179.59
Number of shares acquired to cover tax withholding costs and exercise costs (in shares)	5,480	300,000
Cost of shares acquired to cover tax withholding costs and exercise costs	$ 926	$ 63,000
Share repurchase authorization			$ 5,000,000
Remaining capacity under share repurchase authorization	$ 6,100,000	$ 6,100,000