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LEASES (Schedule of Supplemental Balance Sheet Information) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Current maturities of operating leases $ 22,412 $ 21,519
Long-term operating leases 92,262 $ 103,490
Total operating lease liabilities $ 114,674  
Weighted-average remaining operating lease term 10 years 2 months 1 day  
Weighted-average discount rate of operating leases 5.23%