STOCK-BASED COMPENSATION AND EQUITY - Summary of Performance Share Awards (Details) - Performance Shares - $ / shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Shares
Stock outstanding at beginning of period, shares	249,952	252,852
Granted, shares	101,799	93,444
Forfeited or unearned, shares	(25,948)	(20,373)
Vested and issued, shares	(27,317)	(75,971)
Stock outstanding at end of period, shares	298,486	249,952
Weighted-Average Grant Date Fair Value Per Share
Nonvested stock outstanding at beginning of period, Weighted-Average Grant-Date Fair Value (in dollars per share)	$ 29.59	$ 29.27
Granted, Weighted-Average Grant-Date Fair Value (in dollars per share)	37.98	31.26
Forfeited or unearned, Weighted-Average Grant-Date Fair Value (in dollars per share)	31.75	29.92
Vested and issued, Weighted-Average Grant-Date Fair Value (in dollars per share)	31.75	30.50
Nonvested stock outstanding at end of period, Weighted-Average Grant-Date Fair Value (in dollars per share)	$ 32.06	$ 29.59
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years

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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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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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.

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

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

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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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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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