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Stock Incentive Compensation and Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Share-based Compensation, Cash Settled Restricted Stock Units and Performance Shares | Cash Settled Restricted Stock Units
|  | Number of Shares |  |  |  |  |
| Nonvested at December 31, 2018 | 146,917 |  |  |  |  |  |
| Awards granted | — |  |  |  |  |  |
| Awards vested | (80,012) |  |  |  |  |  |
| Awards forfeited | (3,161) |  |  |  |  |  |
| Nonvested at December 31, 2019 | 63,744 |  |  |  |  |  |
| Awards granted | — |  |  |  |  |  |
| Awards vested | (44,734) |  |  |  |  |  |
| Awards forfeited | (529) |  |  |  |  |  |
| Nonvested at December 31, 2020 | 18,481 |  |  |  |  |  |
| Awards granted | — |  |  |  |  |  |
| Awards vested | (18,481) |  |  |  |  |  |
| Awards forfeited | — |  |  |  |  |  |
| Nonvested at December 31, 2021 | — |  |  |  |  |  |
Performance Share Awards
|  | Number of Shares (1) |  | Weighted Average Grant Date Fair Value |
| Nonvested at December 31, 2018 | 152,451 |  |  | $ | 57.21 |  |
| Awards granted | 58,050 |  |  | 146.1 |  |
| Awards vested | (21,730) |  |  | 49.9 |  |
| Awards forfeited | (43,924) |  |  | — |  |
| Nonvested at December 31, 2019 | 144,847 |  |  | $ | 94.70 |  |
| Awards granted | 65,840 |  |  | 170.40 |  |
| Awards vested | (48,997) |  |  | 61.48 |  |
| Awards forfeited | (9,976) |  |  | — |  |
| Nonvested at December 31, 2020 | 151,714 |  |  | $ | 140.96 |  |
| Awards granted | 55,876 |  |  | 162.61 |  |
| Awards vested | (49,792) |  |  | 130.73 |  |
| Awards forfeited | (16,730) |  |  | — |  |
| Nonvested at December 31, 2021 | 141,068 |  |  | $ | 163.98 |  |
(1) For performance share awards, the number of shares is stated at the maximum number that can be attained if the performance conditions are fully met. Forfeitures represent shares forfeited due to vesting below the maximum attainable as a result of the Company not fully meeting the performance conditions.
Schedule of Share-based Compensation, Restricted Stock Awards | Restricted Stock Awards
|  | Employee Restricted Stock Awards |  | Non-Employee Director Restricted Stock Awards |  | Total Restricted Stock Awards |
|  | Number of Shares |  | Weighted Average Grant Date Fair Value |  | Number of Shares |  | Weighted Average Grant Date Fair Value |  | Number of Shares |  | Weighted Average Grant Date Fair Value |
| Nonvested at December 31, 2018 | 447,740 |  |  | $ | 130.37 |  |  | 22,534 |  |  | $ | 132.29 |  |  | 470,274 |  |  | $ | 130.46 |  |
| Awards granted | 242,832 |  |  | 146.92 |  |  | 11,444 |  |  | 147.43 |  |  | 254,276 |  |  | 146.94 |  |
| Awards vested | (165,245) |  |  | 124.71 |  |  | (12,972) |  |  | 131.88 |  |  | (178,217) |  |  | 125.23 |  |
| Awards forfeited | (14,467) |  |  | 136.16 |  |  | — |  |  | — |  |  | (14,467) |  |  | 136.16 |  |
| Nonvested at December 31, 2019 | 510,860 |  |  | $ | 139.91 |  |  | 21,006 |  |  | $ | 140.79 |  |  | 531,866 |  |  | $ | 139.94 |  |
| Awards granted | 309,892 |  |  | 145.03 |  |  | 9,970 |  |  | 170.40 |  |  | 319,862 |  |  | 145.82 |  |
| Awards vested | (213,488) |  |  | 138.35 |  |  | (10,316) |  |  | 141.12 |  |  | (223,804) |  |  | 138.47 |  |
| Awards forfeited | (14,517) |  |  | 140.11 |  |  | — |  |  | — |  |  | (14,517) |  |  | 140.11 |  |
| Nonvested at December 31, 2020 | 592,747 |  |  | $ | 143.14 |  |  | 20,660 |  |  | $ | 155.03 |  |  | 613,407 |  |  | $ | 143.54 |  |
| Awards granted | 252,625 |  |  | 167.92 |  |  | 10,452 |  |  | 162.61 |  |  | 263,077 |  |  | 167.71 |  |
| Awards vested | (207,264) |  |  | 142.52 |  |  | (10,511) |  |  | 147.72 |  |  | (217,775) |  |  | 142.77 |  |
| Awards forfeited | (14,776) |  |  | 158.97 |  |  | — |  |  | — |  |  | (14,776) |  |  | 158.97 |  |
| Nonvested at December 31, 2021 | 623,332 |  |  | $ | 153.02 |  |  | 20,601 |  |  | $ | 162.60 |  |  | 643,933 |  |  | $ | 152.32 |  |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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