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Share-Based Compensation - Summary of Activity of the Outstanding PRSU Awards (Details) - Performance-based Restricted Stock Units ("PBRS")	3 Months Ended
	Mar. 31, 2021 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beginning Balance, shares | shares	61,208
Granted, shares | shares	101,785
Ending Balance, shares | shares	162,993
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 57.18
Granted, Weighted-Average Grant Date Fair Value | $ / shares	31.28
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 41.01
Beginning Balance, shares | shares	121,485
Vested, shares | shares	(42,698)
Forfeited, shares | shares	(703)
Ending Balance, shares | shares	78,084
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 56.34
Vested, Weighted-Average Grant Date Fair Value | $ / shares	51.96
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares	56.97
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 57.12

X

- Definition

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).

+ 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)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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).

+ 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)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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