Share-Based Compensation - Summary of Restricted Stock and Performance Units Activity (Details) - $ / shares		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restricted Stock
Restricted Stock and Performance Units [Roll Forward]
Outstanding at January 1		671,723	655,914	651,448
Granted		175,956	196,821	175,047
Vested	[1]	(219,530)	(174,139)	(153,171)
Forfeitures		(7,746)	(6,873)	(17,410)
Outstanding at December 31		620,403	671,723	655,914
Restricted Stock and Performance Units (Weighted Average Grant-date Fair Value) [Abstract]
Weighted Average Grant-Date Fair Value, Outstanding at January 1		$ 127.15	$ 117.14	$ 109.16
Weighted Average Grant-Date Fair Value, Granted		176.6	134.68	145.63
Weighted Average Grant-Date Fair Value, Vested	[1]	105.1	97.86	115.33
Weighted Average Grant-Date Fair Value, Forfeitures		154.95	129.74	120.68
Weighted Average Grant-Date Fair Value, Outstanding at December 31		$ 148.63	$ 127.15	$ 117.14
Performance Units
Restricted Stock and Performance Units [Roll Forward]
Outstanding at January 1		372,777	358,449	358,092
Granted		129,923	146,331	133,017
Vested	[2]	(139,984)	(132,003)	(132,404)
Forfeitures		(4,250)	0	(256)
Outstanding at December 31		358,466	372,777	358,449
Restricted Stock and Performance Units (Weighted Average Grant-date Fair Value) [Abstract]
Weighted Average Grant-Date Fair Value, Outstanding at January 1		$ 119.22	$ 109.89	$ 105.38
Weighted Average Grant-Date Fair Value, Granted		189.01	140.09	148.71
Weighted Average Grant-Date Fair Value, Vested	[2]	182.64	117.03	136.62
Weighted Average Grant-Date Fair Value, Forfeitures		168.2	0	145.26
Weighted Average Grant-Date Fair Value, Outstanding at December 31		$ 119.17	$ 119.22	$ 109.89

[1] The total fair value of awards upon vesting for the years ended December 31, 2024, 2023, and 2022 was $39.2 million, $22.7 million, and $21.8 million, respectively.

[2] The total fair value of awards upon vesting, including dividends, for the years ended December 31, 2024, 2023, and 2022 was $27.8 million, $19.3 million, and $19.7 million, respectively. Upon vesting of the awards in 2024, 2023, and 2022, PCA issued 152,196 shares, 146,631 shares, and 144,193 shares, respectively. For 2024, 2023, and 2022, these amounts included 12,212 shares, 14,628 shares, and 11,789 shares, respectively, for dividends accrued during the vesting period.