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Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Tax expense on pension liability   $ 67
Retained Deficit [Member]    
Tax amount related to retained deficit $ 332  
Dividends declared per share $ 0.14 $ 0.14
Accumulated Other Comprehensive Income (Loss) [Member]    
Tax expense on pension liability   $ 67