Annual report [Section 13 and 15(d), not S-K Item 405]

EMPLOYEE BENEFIT PLANS (Schedule of Components of Pension Expense, the Funded Status of the Plan, Amounts Recognized in the Consolidated Statements of Financial Condition, and Major Assumptions) (Details)

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EMPLOYEE BENEFIT PLANS (Schedule of Components of Pension Expense, the Funded Status of the Plan, Amounts Recognized in the Consolidated Statements of Financial Condition, and Major Assumptions) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Change in Projected Benefit Obligation:      
Actuarial (Gain) Loss $ (13,948,000) $ (4,905,000) $ (4,223,000)
Components of Net Periodic Benefit Costs:      
Net Loss Settlements 0 (291,000) 2,321,000
Defined benefit pension plan [Member]      
Change in Projected Benefit Obligation:      
Benefit Obligation at Beginning of Year 120,287,000 108,151,000 172,508,000
Service Cost 3,715,000 3,488,000 6,289,000
Interest Cost 6,097,000 5,831,000 4,665,000
Actuarial (Gain) Loss (1,974,000) 6,936,000 (39,962,000)
Benefits Paid (4,829,000) (3,843,000) (2,139,000)
Expenses Paid (277,000) (276,000) (416,000)
Settlements 0 0 (32,794,000)
Projected Benefit Obligation at End of Year 123,019,000 120,287,000 108,151,000
Change in Plan Assets:      
Fair Value of Plan Assets at Beginning of Year 125,295,000 104,276,000 165,274,000
Actual Return on Plan Assets 20,288,000 19,138,000 (25,649,000)
Employer Contributions 0 6,000,000 0
Benefits Paid (4,829,000) (3,843,000) (2,139,000)
Expenses Paid (277,000) (276,000) (416,000)
Settlements 0 0 (32,794,000)
Fair Value of Plan Assets at End of Year 140,477,000 125,295,000 104,276,000
Funded Status of Plan and Accrued Liability Recognized at End of Year:      
Other (Assets) (17,458,000) (5,008,000)  
Other Liabilities     3,875,000
Accumulated Benefit Obligation at End of Year 105,201,000 102,642,000 91,770,000
Components of Net Periodic Benefit Costs:      
Service Cost 3,715,000 3,488,000 6,289,000
Interest Cost 6,097,000 5,831,000 4,665,000
Expected Return on Plan Assets (8,117,000) (6,805,000) (10,701,000)
Amortization of Prior Service Costs 0 5,000 15,000
Net Loss Amortization 165,000 934,000 1,713,000
Net Loss Settlements 0 0 2,321,000
Net Periodic Benefit Cost $ 1,860,000 $ 3,453,000 $ 4,302,000
Weighted-average assumptions used to determine benefit obligations:      
Discount Rate (in percent) 5.82% 5.29% 5.63%
Rate of Compensation Increase (in percent) 4.75% 5.10% 5.10%
Measurement Date Dec. 31, 2024 Dec. 31, 2023 Dec. 31, 2022
Weighted-Average Assumptions Used to Determine Benefit Cost:      
Discount Rate (in percent) 5.29% 5.63% 3.11%
Expected Return on Plan Assets (in percent) 6.75% 6.75% 6.75%
Rate of Compensation Increase (in percent) 4.75% 5.10% 4.40%
Amortization Amounts from Accumulated Other Comprehensive Loss:      
Net Actuarial Gain $ (14,145,000) $ (5,397,000) $ (3,612,000)
Prior Service Cost 0 (5,000) (15,000)
Net Loss (165,000) (934,000) (4,034,000)
Deferred Tax (Benefit) Expense 3,628,000 1,606,000 1,942,000
Other Comprehensive Loss (Gain), net of tax (10,682,000) (4,730,000) (5,719,000)
Amounts Recognized in Accumulated Other Comprehensive Gain:      
Net Actuarial (Gain) Loss (12,988,000) 1,322,000 7,653,000
Prior Service Cost 0 0 5,000
Deferred Tax Expense (Benefit) 3,293,000 (335,000) (1,941,000)
Accumulated Other Comprehensive (Gain) Loss, net of tax $ (9,695,000) $ 987,000 $ 5,717,000