Percentage of average annual return on capital used as the performance criteria for an equity incentive plan.

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Percentage of average annual total stockholder return used as the performance criteria for an equity incentive plan.

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Period over which performance is measured to determine award grants under the terms of the equity-based payment plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Represents the total fair value of other than stock (or unit) option plans granted during the reporting period.

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Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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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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STOCKHOLDERS' EQUITY - Stock Based Compensation - RSUs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	248,112	241,076	248,112	241,076
Number of shares granted	0	0
Number of shares vested	0	0
Number of shares forfeited	0	0
Performance cycle	3 years
RSUs \| Awards granted in 2023
STOCKHOLDERS' EQUITY
Number of shares outstanding	85,250
Aggregate fair value of the shares granted	$ 959,000
RSUs \| Awards granted in 2022
STOCKHOLDERS' EQUITY
Number of shares outstanding	83,240
Aggregate fair value of the shares granted	$ 1,419,000
RSUs \| Awards granted in 2021
STOCKHOLDERS' EQUITY
Number of shares outstanding	79,622
Aggregate fair value of the shares granted	$ 1,822,000
RSUs \| Awards granted in 2021 - 2023
STOCKHOLDERS' EQUITY
Performance cycle	3 years
Accrual for dividend equivalent rights	$ 528,000		$ 450,000
ROC Awards \| Awards granted in 2021 - 2023
STOCKHOLDERS' EQUITY
Weight	50.00%	50.00%
ROC Awards \| Awards granted in 2021 - 2023 \| Minimum
STOCKHOLDERS' EQUITY
Average of annual ROC	6.00%	6.00%
ROC Awards \| Awards granted in 2021 - 2023 \| Maximum
STOCKHOLDERS' EQUITY
Average of annual ROC	8.75%	8.75%
TSR awards
STOCKHOLDERS' EQUITY
Service period	3 years
TSR awards \| Awards granted in 2021 - 2023
STOCKHOLDERS' EQUITY
Weight	50.00%	50.00%
TSR awards \| Awards granted in 2021 - 2023 \| Minimum
STOCKHOLDERS' EQUITY
Average of annual TSR	6.00%	6.00%
TSR awards \| Awards granted in 2021 - 2023 \| Maximum
STOCKHOLDERS' EQUITY
Average of annual TSR	11.00%	11.00%