CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
NET SALES	$ 601,119	$ 540,966	$ 492,776
COSTS OF OPERATIONS	536,840	483,353	439,791
GROSS PROFIT	64,279	57,613	52,985
OPERATING EXPENSES:
Selling, general, and administrative expenses	32,318	31,491	28,496
Interest expense, net	1,161	919	554
Other expense (income)	(277)	340	437
Total operating expenses	33,202	32,750	29,487
INCOME BEFORE INCOME TAXES	31,077	24,863	23,498
INCOME TAX PROVISION	11,155	8,887	8,660
NET INCOME	19,922	15,976	14,838
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS			66
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 19,922	$ 15,976	$ 14,904
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 1.76	$ 1.41	$ 1.32
DILUTED INCOME PER COMMON SHARE (in dollars per share)	1.75	1.41	1.31
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.68	$ 0.64	$ 0.60
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,346	11,324	11,297
Diluted (in shares)	11,374	11,360	11,354