Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS - (SERP changes in benefit obligation, the funded status of the plan, components of pension expense) (Details)

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EMPLOYEE BENEFIT PLANS - (SERP changes in benefit obligation, the funded status of the plan, components of pension expense) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in Projected Benefit Obligation:      
Actuarial (Gain) Loss $ (4,223,000) $ (31,339,000) $ 27,924,000
Supplemental Executive Retirement Plan ("SERP") [Member]      
Change in Projected Benefit Obligation:      
Benefit Obligation at Beginning of Year 13,534,000 13,402,000 10,244,000
Service Cost 31,000 35,000 31,000
Interest Cost 315,000 243,000 321,000
Actuarial (Gain) Loss (2,932,000) (146,000) 1,826,000
Plan Amendments 0 0 980,000
Projected Benefit Obligation at End of Year 10,948,000 13,534,000 13,402,000
Funded Status of Plan and Accrued Liability Recognized at End of Year:      
Other Liabilities 10,948,000 13,534,000 13,402,000
Accumulated Benefit Obligation at End of Year 10,887,000 12,803,000 12,339,000
Components of Net Periodic Benefit Costs:      
Service Cost 31,000 35,000 31,000
Interest Cost 315,000 243,000 321,000
Amortization of Prior Service Cost 277,000 277,000 327,000
Net Loss Amortization 718,000 970,000 503,000
Net Periodic Benefit Cost $ 1,341,000 $ 1,525,000 $ 1,182,000
Weighted-Average Assumptions Used to Determine Benefit Obligation:      
Discount Rate (in percent) 5.45% 2.80% 2.38%
Rate of Compensation Increase (in percent) 5.10% 4.40% 4.00%
Measurement Date Dec. 31, 2022 Dec. 31, 2021 Dec. 31, 2020
Weighted-Average Assumptions Used to Determine Benefit Cost:      
Discount Rate (in percent) 2.80% 2.38% 3.16%
Rate of Compensation Increase (in percent) 4.40% 4.00% 3.50%
Amortization Amounts from Accumulated Other Comprehensive Income:      
Net Actuarial Loss (Gain) $ (2,932,000) $ (146,000) $ 1,826,000
Prior Service (Benefit) Cost (277,000) (219,000) 895,000
Net Loss (718,000) (970,000) (458,000)
Deferred Tax Expense (Benefit) 995,000 154,000 (573,000)
Other Comprehensive (Gain) Loss, net of tax (2,932,000) (1,181,000) 1,690,000
Amounts Recognized in Accumulated Other Comprehensive Income:      
Net Actuarial Loss (1,775,000) 1,875,000 2,991,000
Prior Service Cost 151,000 429,000 895,000
Deferred Tax Benefit 412,000 (584,000) (985,000)
Accumulated Other Comprehensive Loss, net of tax $ (1,212,000) $ 1,720,000 $ 2,901,000