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BASIS OF PRESENTATION AND OTHER INFORMATION Impact of Adoption of Lease Accounting Standard (Details)

v3.19.1
BASIS OF PRESENTATION AND OTHER INFORMATION Impact of Adoption of Lease Accounting Standard (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease assets $ 1,114,932   $ 0
Total operating lease liabilities $ 1,184,132    
Accounting Standards Update 2016-02 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease assets   $ 1,100,000  
Total operating lease liabilities   1,200,000  
Reduction Of Operating Lease Assets Upon Adoption Lease Guidance   $ 85,300