CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
NET SALES	$ 151,537	$ 122,432	$ 278,325	$ 226,600
COSTS OF OPERATIONS	133,996	109,922	248,832	203,152
GROSS PROFIT	17,541	12,510	29,493	23,448
OPERATING EXPENSES:
Selling, general and administrative expenses	7,648	6,964	15,088	14,130
Interest expense, net	245	126	408	196
Other (income) expense, net	265	55	321	117
Total operating expenses	8,158	7,145	15,817	14,443
INCOME BEFORE INCOME TAXES	9,383	5,365	13,676	9,005
INCOME TAX PROVISION	3,517	1,978	4,746	3,318
NET INCOME	$ 5,866	$ 3,387	$ 8,930	5,687
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS				66
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 5,866	$ 3,387	$ 8,930	$ 5,753
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 0.52	$ 0.30	$ 0.79	$ 0.51
DILUTED INCOME PER COMMON SHARE (in dollars per share)	0.52	0.30	0.79	0.51
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.16	$ 0.15	$ 0.32	$ 0.30
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,331	11,301	11,323	11,293
Diluted (in shares)	11,366	11,354	11,367	11,354