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EMPLOYEE BENEFIT PLANS - Employee benefit plan amounts recognized in the Consolidated Balance Sheets and Consolidated Statements of Income (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Retirement Benefits [Abstract]    
Service cost $ 2,350 $ 2,425
Interest cost 1,075 625
Expected return on plan assets (2,700) (2,750)
Amortization of prior service cost 0 (75)
Defined Benefit Plan, Amortization of Gain (Loss) 150 400
Net periodic benefit cost (income) $ 875 $ 625