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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Recent Accounting Pronouncements) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Jan. 01, 2018
Jan. 01, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Lease right-of-use assets $ 115,084      
Lease liability $ 149,823      
Cumulative effect of adoption of new accounting standard, net of tax   $ 12,057 $ 54,464 $ 2,162
Accounting Standards Update 2016-02        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Lease right-of-use assets   116,000    
Lease liability   150,000    
Cumulative effect of adoption of new accounting standard, net of tax   $ 12,000