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Segment Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Segment Reporting Information [Line Items]        
Product sales $ 56,862 $ 56,271 $ 125,281 $ 134,561
Licensing revenues 591 596 1,292 1,206
Net sales 57,453 56,867 126,573 135,767
Earnings from operations 1,890 2,028 5,349 6,235
Wholesale [Member]        
Segment Reporting Information [Line Items]        
Product sales 41,700 40,864 93,849 102,501
Licensing revenues 591 596 1,292 1,206
Net sales 42,291 41,460 95,141 103,707
Earnings from operations 1,298 1,475 4,464 5,200
Retail [Member]        
Segment Reporting Information [Line Items]        
Product sales 4,758 4,721 9,688 9,805
Licensing revenues 0 0 0 0
Net sales 4,758 4,721 9,688 9,805
Earnings from operations 184 228 227 474
Other [Member]        
Segment Reporting Information [Line Items]        
Product sales 10,404 10,686 21,744 22,255
Licensing revenues 0 0 0 0
Net sales 10,404 10,686 21,744 22,255
Earnings from operations $ 408 $ 325 $ 658 $ 561