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COMMITMENTS AND CONTINGENCIES (Leases: Other Information) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Operating cash flows from operating leases $ 31,509
Operating cash flows from finance leases 58
Financing cash flows from finance leases 311
Leased assets obtained in exchange for new finance lease liabilities 778
Leased assets obtained in exchange for new operating lease liabilities $ 49,833