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Share-Based Compensation - Summary of Restricted Stock and Performance Units Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Restricted Stock      
Restricted Stock and Performance Units [Roll Forward]      
Outstanding at January 1 651,448 669,102 716,952
Granted 175,047 173,970 204,960
Vested [1] (153,171) (182,779) (244,823)
Forfeitures (17,410) (8,845) (7,987)
Outstanding at December 31 655,914 651,448 669,102
Restricted Stock and Performance Units (Weighted Average Grant-date Fair Value) [Abstract]      
Weighted Average Grant-Date Fair Value, Outstanding at January 1 $ 109.16 $ 102.55 $ 94.50
Weighted Average Grant-Date Fair Value, Granted 145.63 134.10 94.25
Weighted Average Grant-Date Fair Value, Vested [1] 115.33 108.59 72.11
Weighted Average Grant-Date Fair Value, Forfeitures 120.68 111.73 99.94
Weighted Average Grant-Date Fair Value, Outstanding at December 31 $ 117.14 $ 109.16 $ 102.55
Performance Units      
Restricted Stock and Performance Units [Roll Forward]      
Outstanding at January 1 358,092 357,417 323,147
Granted 133,017 95,236 111,287
Vested [2] (132,404) (74,894) (77,017)
Forfeitures (256) (19,667) 0
Outstanding at December 31 358,449 358,092 357,417
Restricted Stock and Performance Units (Weighted Average Grant-date Fair Value) [Abstract]      
Weighted Average Grant-Date Fair Value, Outstanding at January 1 $ 105.38 $ 103.63 $ 96.56
Weighted Average Grant-Date Fair Value, Granted 148.71 140.47 99.20
Weighted Average Grant-Date Fair Value, Vested [2] 136.62 134.53 67.57
Weighted Average Grant-Date Fair Value, Forfeitures 145.26 132.58 0
Weighted Average Grant-Date Fair Value, Outstanding at December 31 $ 109.89 $ 105.38 $ 103.63
[1] The total fair value of awards upon vesting for the years ended December 31, 2022, 2021, and 2020 was $21.8 million, $24.8 million, and $23.6 million, respectively.
[2] The total fair value of awards upon vesting, including dividends, for the years ended December 31, 2022, 2021, and 2020 was $19.7 million, $11.0 million, and $8.5 million, respectively. Upon vesting of the awards in 2022, 2021, and 2020, PCA issued 144,193 shares, 81,577 shares, and 86,015 shares, respectively. For 2022, 2021, and 2020, these amounts included 11,789 shares, 6,683 shares, and 8,998 shares, respectively, for dividends accrued during the vesting period.