CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
NET SALES	$ 540,966	$ 492,776	$ 404,170
COSTS OF OPERATIONS	483,353	439,791	361,734
GROSS PROFIT	57,613	52,985	42,436
OPERATING EXPENSES:
Selling, general, and administrative expenses	31,491	28,496	28,323
Interest expense, net	919	554	369
Other expense (income)	340	437	(119)
Total operating expenses	32,750	29,487	28,573
INCOME BEFORE INCOME TAXES	24,863	23,498	13,863
INCOME TAX PROVISION	8,887	8,660	5,175
NET INCOME	15,976	14,838	8,688
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS		66	542
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 15,976	$ 14,904	$ 9,230
BASIC INCOME PER COMMON SHARE (In dollars per share)	$ 1.41	$ 1.32	$ 0.82
DILUTED INCOME PER COMMON SHARE (In dollars per share)	1.41	1.31	0.82
CASH DIVIDENDS DECLARED PER COMMON SHARE (In dollars per share)	$ 0.64	$ 0.60	$ 0.56
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (In shares)	11,324	11,297	11,233
Diluted (In shares)	11,360	11,354	11,324