Share-Based Compensation - Summary of Restricted Stock and Performance Unit Award Activity (Details)	6 Months Ended
Jun. 30, 2022 $ / shares shares
Restricted Stock
Restricted Stock and Performance Units [Roll Forward]
Outstanding at January 1, 2022 \| shares	651,448
Granted \| shares	175,047
Vested \| shares	(146,093)
Forfeitures \| shares	(6,651)
Outstanding at June 30, 2022 \| shares	673,751
Restricted Stock and Performance Units (Weighted Average Grant-date Fair Value) [Abstract]
Weighted Average Grant-Date Fair Value, Outstanding at January 1, 2022 \| $ / shares	$ 109.16
Weighted Average Grant-Date Fair Value, Granted \| $ / shares	145.63
Weighted Average Grant-Date Fair Value, Vested \| $ / shares	115.78
Weighted Average Grant-Date Fair Value, Forfeitures \| $ / shares	111.31
Weighted Average Grant-Date Fair Value, Outstanding at June 30, 2022 \| $ / shares	$ 117.18
Performance Units
Restricted Stock and Performance Units [Roll Forward]
Outstanding at January 1, 2022 \| shares	358,092
Granted \| shares	96,309
Vested \| shares	(42,024)
Forfeitures \| shares	(256)
Outstanding at June 30, 2022 \| shares	412,121
Restricted Stock and Performance Units (Weighted Average Grant-date Fair Value) [Abstract]
Weighted Average Grant-Date Fair Value, Outstanding at January 1, 2022 \| $ / shares	$ 105.38
Weighted Average Grant-Date Fair Value, Granted \| $ / shares	154.21
Weighted Average Grant-Date Fair Value, Vested \| $ / shares	141.62
Weighted Average Grant-Date Fair Value, Forfeitures \| $ / shares	145.26
Weighted Average Grant-Date Fair Value, Outstanding at June 30, 2022 \| $ / shares	$ 113.07

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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+ Details

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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