Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Net sales	$ 60,476	$ 60,888	$ 134,604	$ 130,414
Earnings (loss) from operations	1,864	1,947	7,010	5,514
Product sales [Member]
Segment Reporting Information [Line Items]
Net sales	59,840	60,416	133,261	129,148
Licensing revenues [Member]
Segment Reporting Information [Line Items]
Net sales	636	472	1,343	1,266
Wholesale [Member]
Segment Reporting Information [Line Items]
Net sales	46,052	45,639	105,533	99,427
Earnings (loss) from operations	2,212	1,748	7,418	5,139
Wholesale [Member] | Product sales [Member]
Segment Reporting Information [Line Items]
Net sales	45,416	45,167	104,190	98,161
Wholesale [Member] | Licensing revenues [Member]
Segment Reporting Information [Line Items]
Net sales	636	472	1,343	1,266
Retail Segment [Member]
Segment Reporting Information [Line Items]
Net sales	5,395	4,624	10,966	9,551
Earnings (loss) from operations	401	222	884	428
Retail Segment [Member] | Product sales [Member]
Segment Reporting Information [Line Items]
Net sales	5,395	4,624	10,966	9,551
Retail Segment [Member] | Licensing revenues [Member]
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Other Segment [Member]
Segment Reporting Information [Line Items]
Net sales	9,029	10,625	18,105	21,436
Earnings (loss) from operations	(749)	(23)	(1,292)	(53)
Other Segment [Member] | Product sales [Member]
Segment Reporting Information [Line Items]
Net sales	9,029	10,625	18,105	21,436
Other Segment [Member] | Licensing revenues [Member]
Segment Reporting Information [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0