Equity Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended				12 Months Ended
	May 31, 2022	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Cash dividends declared per common share (in dollars per share)		$ 1.65	$ 1.65	$ 1.50	$ 1.50	$ 6.30	$ 4.64	$ 2.98
Dividends						$ 48,200
Dividends payable		$ 15,812				$ 15,812	$ 14,824
Repurchases of common shares (in shares)						451,097
Weighted average price (in dollars per share)						$ 199.48
Total cost of shares repurchased						$ 90,000	$ 57,499	$ 32,500
Addition to the total number of shares authorized to be repurchased (in shares)	750,000
Shares available for repurchase (in shares)		828,352				828,352