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RETIREMENT PLANS - SERP (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
RETIREMENT PLANS
Participant balance			12 months
Tax-free gains related to life insurance policy claims				$ 2,380
Supplemental Retirement Plan ('SERP')
RETIREMENT PLANS
Fair value of plan assets	$ 31,500		$ 31,500		$ 30,700
Trading gains (losses), net	789	$ 425	769	1,700
Defined benefit plan	23,800		23,800		$ 24,500
Supplemental Retirement Plan ('SERP') | Selling, general and administrative expenses
RETIREMENT PLANS
Unrealized gains (loss)	$ 804	$ 454	$ 815	$ 1,700

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- Definition

The amount of unrealized gain (loss) on change in fair value of liability.

+ References

No definition available.

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- Definition

The period of distribution of participant balances in a defined benefit plan, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

This element represents the amount of trading gains (losses) on plan assets under the defined benefit plan.

+ References

No definition available.

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

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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.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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- Definition

Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.

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