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UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($)
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]    
Gain (Loss) associated with pensions $ 100,000 $ 0
Shares of affiliates comprehensive loss [1] $ 21,098,000 $ (651,000)
[1] No tax impact for the six months ended June 30, 2020 and 2019.