Gross number of share units granted during the period to an officer of the company.

No definition available.

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- Definition

The weighted-average price as of balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan that vested during the reporting period.

+ References

No definition available.

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- Definition

Number of options 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

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment 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 (i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

+ References

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- Definition

Amount of cash inflow from exercise of option under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
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-Publisher FASB
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-SubTopic 10
-Section 45
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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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)
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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ 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
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- Definition

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.

+ References

No definition available.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ 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 (d)(2)
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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

Number of shares issued under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

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Stock-Based Compensation (Detail) - USD ($)													12 Months Ended
Stock-Based Compensation (Detail) - USD ($)	Dec. 31, 2024	Sep. 30, 2020	Jun. 30, 2020	Nov. 19, 2019	Aug. 19, 2019	Mar. 25, 2019	Dec. 31, 2018	Mar. 01, 2018	Dec. 31, 2017	Mar. 01, 2017	Jul. 03, 2012	Feb. 08, 2012	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Stock Options Exercised													$ 1,609,000	$ 6,212,000	$ 13,036,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value													$ 993,000	$ 4,268,000	$ 6,841,000
Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period													642,534,000	738,903,000	773,351,000
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable During Period Weighted Average Exercise Price (in Dollars per share)													$ 26.72	$ 28.20	$ 26.38
Share Based Compensation Arrangement By Share-Based Payment Award Equity Options Nonvested Number													746,316,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized													$ 3,547,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition													1 year 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value													$ 23,839,000	$ 23,263	$ 36,122
Related Party Transaction Restricted Shares Granted During The Period						200,000					2,840,013	2,194,586
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years	4 years		4 years			6 years	5 years	7 years
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period										1,125,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			225,000		225,000								509,000	272,000	585,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number							5,137,000		5,876,000				3,651,000	4,427,000	5,137,000
Share-based Payment Arrangement, Exercise of Option, Tax Benefit													$ 234,000	$ 1,010,000	$ 713,000
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price			$ 24.83		$ 30.14					$ 24.90	$ 14.09	$ 18.23
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized													$ 50,210,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition													3 years 4 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number													2,560,543
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share-Based Payment Award Equity Options Nonvested Number													562,500