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Equity - AOCI (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Loss    
Cumulative foreign currency translation adjustment $ (2,887) $ (1,683)
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax 16  
Unrealized gains (losses) on derivatives, net   (467)
Supplemental Executive Retirement plan minimum liability and other (2,352) (2,558)
Total accumulated other comprehensive income (loss) $ (5,223) $ (4,708)