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Acquisition of Noncontrolling Interest (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Aug. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Payments to Noncontrolling Interests $ 3,700 $ 3,740 $ 0  
Stockholders' Equity Attributable to Noncontrolling Interest   $ 0   $ 7,122
Florsheim Australia Pty Ltd [Member]        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 100.00% 45.00%