Represents number of directors in committee.

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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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Amount of noncash expense for share-based payment arrangement.

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

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

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

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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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Number of non-vested options outstanding.

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Number of share options (or share units) exercised during the current period.

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STOCK COMPENSATION PLANS (Details)			3 Months Ended		9 Months Ended
STOCK COMPENSATION PLANS (Details)	May 06, 2024 $ / shares shares	May 09, 2023 $ / shares shares	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Director $ / shares shares	Sep. 30, 2023 USD ($)
Stock Compensation Plans [Abstract]
Compensation expense \| $					$ 172,000	$ 185,000
Number of directors in committee \| Director					3
Stock Options [Member]
Stock Compensation Plans [Abstract]
Options exercised (in shares)					0
Stock Options [Member] \| 2015 Equity Compensation Plan [Member]
Stock Compensation Plans [Abstract]
Unvested shares outstanding (in shares)			0		0
Unrecognized expense related to non-vested option shares \| $			$ 0		$ 0
Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Compensation expense \| $					172,000	$ 185,000
Restricted Stock [Member] \| 2015 Equity Compensation Plan [Member]
Stock Compensation Plans [Abstract]
Unrecognized expense related to non-vested option shares \| $			110,000		$ 110,000
Period over which unvested options cost will recognized					7 months 6 days
Class A Stock [Member] \| Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Compensation expense \| $			$ 46,700	$ 69,000
Granted (in shares)	5,000	5,000
Fair value per share (in dollars per share) \| $ / shares	$ 37.07	$ 54.88
Period after grant date in which shares vested and were released					1 year
Shares [Roll Forward]
Outstanding at beginning of period (in shares)					5,000
Granted (in shares)					5,000
Exercised/vested and released (in shares)					(5,000)
Cancelled (in shares)					0
Outstanding at end of period (in shares)			5,000		5,000
Weighted Average Grant Date Fair Value [Abstract]
Outstanding at beginning of period (in dollars per shares) \| $ / shares					$ 54.88
Granted (in dollars per share) \| $ / shares					37.07
Exercised/vested and released (in dollars per shares) \| $ / shares					54.88
Expired/cancelled (in dollars per share) \| $ / shares					0
Outstanding at end of period (in dollars per shares) \| $ / shares			$ 37.07		$ 37.07