CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Statement [Abstract]
NET SALES	$ 84,950	$ 94,957
COSTS OF OPERATIONS	76,316	84,073
GROSS PROFIT	8,634	10,884
OPERATING EXPENSES:
Selling, general and administrative expenses	6,699	7,002
Interest expense, net	67	217
Other (income) expense	(23)	336
Total operating expenses	6,743	7,555
CONSOLIDATED INCOME BEFORE INCOME TAXES	1,891	3,329
CONSOLIDATED INCOME TAX PROVISION	684	1,319
CONSOLIDATED NET INCOME	1,207	2,010
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	121
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 1,328	$ 2,010
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 0.12	$ 0.18
DILUTED INCOME PER COMMON SHARE (in dollars per share)	$ 0.12	$ 0.18
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.14	$ 0.13
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,198	11,030
Diluted (in shares)	11,316	11,249