QUARTERLY FINANCIAL DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information [Line Items]
Net sales	$ 82,097	$ 79,069	$ 56,867	$ 78,900	$ 87,404	$ 91,227	$ 63,934	$ 78,052	$ 296,933	$ 320,617	$ 320,488
Gross earnings	33,303	29,322	22,291	27,127	35,839	32,610	24,423	28,737	112,043	121,609	123,068
Net earnings attributable to Weyco Group, Inc.	$ 8,185	$ 4,600	$ 1,000	$ 2,687	$ 7,013	$ 5,526	$ 2,040	$ 3,633	$ 16,472	$ 18,212	$ 19,020
Net earnings per share:
Basic	$ 0.79	$ 0.44	$ 0.09	$ 0.25	$ 0.65	$ 0.51	$ 0.19	$ 0.34	$ 1.57	$ 1.69	$ 1.76
Diluted	$ 0.78	$ 0.44	$ 0.09	$ 0.25	$ 0.65	$ 0.51	$ 0.19	$ 0.33	$ 1.56	$ 1.68	$ 1.75