CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
NET SALES	$ 118,398	$ 105,108	$ 344,998	$ 295,892
COSTS OF OPERATIONS	105,431	94,280	308,583	264,700
GROSS PROFIT	12,967	10,828	36,415	31,192
OPERATING EXPENSES:
Selling, general and administrative expenses	7,231	6,749	21,361	20,668
Interest expense, net	178	102	374	253
Other (income) expense, net	31	(11)	148	(16)
Total operating expenses	7,440	6,840	21,883	20,905
INCOME BEFORE INCOME TAXES	5,527	3,988	14,532	10,287
INCOME TAX PROVISION	2,033	1,464	5,351	3,767
NET INCOME	3,494	2,524	9,181	6,520
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS		98	66	331
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 3,494	$ 2,622	$ 9,247	$ 6,851
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 0.31	$ 0.23	$ 0.82	$ 0.61
DILUTED INCOME PER COMMON SHARE (in dollars per share)	$ 0.31	$ 0.23	$ 0.82	$ 0.61
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.15	$ 0.14	$ 0.45	$ 0.42
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,302	11,242	11,296	11,225
Diluted (in shares)	11,354	11,325	11,354	11,320