Stock-Based Compensation Plans - Schedule of Plans' Restricted and Performance Share Award Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Restricted shares
Common Shares
Outstanding, beginning of the period (in shares)	746,123	610,155
Granted (in shares)	305,807	242,576
Vested and issued (in shares)	(219,622)	(96,649)
Expired, canceled or forfeited (in shares)	(3,154)	(1,968)
Outstanding, end of the period (in shares)	829,154	754,114
Vested, but deferred (in shares)	99,382	97,888
Weighted Average Grant-Date Fair Value
Outstanding, beginning of period (usd per share)	$ 79.60	$ 73.21
Granted (usd per share)	98.92	89.82
Vested and issued (usd per share)	69.25	64.14
Canceled or forfeited (usd per share)	87.01	77.37
Outstanding, end of period (usd per share)	89.44	79.70
Vested, but deferred (usd per share)	$ 53.78	$ 53.30
Performance-based stock
Common Shares
Outstanding, beginning of the period (in shares)	553,026	545,379
Granted (in shares)	96,210	185,514
Added by performance factor at vesting (in shares)	111,204	23,161
Vested and issued (in shares)	(294,902)	(178,203)
Expired, canceled or forfeited (in shares)	(864)	(2,301)
Outstanding, end of the period (in shares)	464,674	573,550
Vested, but deferred (in shares)	21,493	35,852
Weighted Average Grant-Date Fair Value
Outstanding, beginning of period (usd per share)	$ 79.69	$ 70.30
Granted (usd per share)	58.78	92.48
Added by performance factor at vesting (usd per share)	100.44	63.64
Vested and issued (usd per share)	58.69	63.64
Canceled or forfeited (usd per share)	95.40	78.20
Outstanding, end of period (usd per share)	93.62	79.24
Vested, but deferred (usd per share)	$ 43.71	$ 44.59