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Fixed Assets
 6 Months Ended
Jun. 30, 2021
Property, Plant and Equipment [Abstract]  
Fixed Assets FIXED ASSETS
Fixed assets consisted of the following at:
 June 30,December 31,
(In thousands)20212020
Fixed assets, at cost$801,003 $750,138 
Less accumulated depreciation and amortization392,310 362,920 
Fixed assets, net$408,693 $387,218