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Additional Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Cash paid for:    
Interest $ 3,030 $ 3,218
Income taxes 4,265 3,787
Right-of-use assets obtained in exchange for new operating lease liabilities 7,652 23,956
Right-of-use assets obtained in exchange for new finance lease liabilities $ 882 $ 2,973