Number of Directors on Committee Administering Incentive Plan

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Share-based Compensation Arrangement by Share-based Payment Award, Award Performance Period

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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.

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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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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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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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.

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

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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SHARE BASED COMPENSATION - Narrative (Detail)	12 Months Ended
SHARE BASED COMPENSATION - Narrative (Detail)	Dec. 31, 2021 USD ($) director shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	May 06, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of directors \| director	3
Options exercised intrinsic value \| $	$ 7,979,000
2015 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares) \| shares				1,500,000
Shares available for issuance (in shares) \| shares	794,433
Expiration period	10 years
2015 Omnibus Incentive Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Award vesting rights, percentage	100.00%
Exercise period	7 years
2015 Omnibus Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Exercise period	10 years
2015 Omnibus Incentive Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	128,557
2015 Omnibus Incentive Plan \| Restricted Stock \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	0.00%
2015 Omnibus Incentive Plan \| Restricted Stock \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	150.00%
2015 Omnibus Incentive Plan \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
2015 Omnibus Incentive Plan \| Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	0.00%
2015 Omnibus Incentive Plan \| Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	150.00%
2015 Omnibus Incentive Plan \| Performance Shares \| 3 Year Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares) \| shares	32,728
Performance period	3 years
2015 Omnibus Incentive Plan \| Stock Options and Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense \| $	$ 5,300,000	$ 3,900,000	$ 2,900,000
2015 Omnibus Incentive Plan \| Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised intrinsic value \| $	8,000,000	$ 400,000	$ 200,000
Unrecognized compensation expense \| $	0
2015 Omnibus Incentive Plan \| Restricted shares,Restricted stock units and Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $	$ 8,200,000
Expected cost recognition weighted average period	2 years 1 month 6 days
2015 Omnibus Incentive Plan \| Time Based Shares \| 5 Year Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares) \| shares	95,829
2015 Omnibus Incentive Plan \| Time Based Shares \| 5 Year Vesting Period \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years