Share-based Compensation Arrangement By Share-based Payment Award Award Percentage Of Initial Grant Amount Achieved

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- Definition

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

+ 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)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- 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

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

+ References

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://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

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

+ References

No definition available.

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&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.

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

+ References

No definition available.

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Share-Based Compensation - Non-Vested Restricted Stock Awards, Restricted Share Units and Performance Share Units (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Weighted- average Grant-date Fair Value
Aggregate intrinsic value	$ 21,900
Weighted average remaining contractual terms	9 months 29 days
Restricted stock awards
Shares
Non-vested shares, beginning balance (in shares)	73,000
Granted (in shares)	20,000
Vested (in shares)	(93,000)
Forfeited (in shares)	0
Non-vested shares, ending balance (in shares)	0	73,000
Weighted- average Grant-date Fair Value
Non-vested shares, beginning balance (in dollars per share)	$ 45.13
Granted (in dollars per share)	39.82
Vested (in dollars per share)	43.98
Forfeited (in dollars per share)	0
Non-vested shares, ending balance (in dollars per share)	$ 0	$ 45.13
Restricted stock units
Shares
Non-vested shares, beginning balance (in shares)	445,000
Granted (in shares)	184,843	360,153	192,214
Vested (in shares)	(180,000)
Forfeited (in shares)	(4,000)
Non-vested shares, ending balance (in shares)	446,000	445,000
Weighted- average Grant-date Fair Value
Non-vested shares, beginning balance (in dollars per share)	$ 17.34
Granted (in dollars per share)	39.77
Vested (in dollars per share)	21.68
Forfeited (in dollars per share)	36.05
Non-vested shares, ending balance (in dollars per share)	$ 24.28	$ 17.34
Performance stock units
Shares
Non-vested shares, beginning balance (in shares)	548,000
Granted (in shares)	132,150	358,316	137,508
Vested (in shares)	(87,000)
Forfeited (in shares)	(43,000)
Non-vested shares, ending balance (in shares)	550,000	548,000
Weighted- average Grant-date Fair Value
Non-vested shares, beginning balance (in dollars per share)	$ 23.25
Granted (in dollars per share)	45.34
Vested (in dollars per share)	28.94
Forfeited (in dollars per share)	61.30
Non-vested shares, ending balance (in dollars per share)	$ 24.66	$ 23.25
Aggregate intrinsic value	$ 25,494
Weighted average remaining contractual terms	1 year 1 month 2 days
Performance stock units \| Maximum
Weighted- average Grant-date Fair Value
Percentage of achieves	200.00%
Performance stock units \| 2018 Performance Share Program
Shares
Granted (in shares)	43,358
Performance stock units \| 2021 Performance Share Program
Shares
Granted (in shares)	88,792