CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
NET SALES	$ 104,168	$ 84,950
COSTS OF OPERATIONS	93,230	76,316
GROSS PROFIT	10,938	8,634
OPERATING EXPENSES:
Selling, general and administrative expenses	7,166	6,699
Interest expense, net	70	67
Other (income) expense, net	62	(23)
Total operating expenses	7,298	6,743
INCOME BEFORE INCOME TAXES	3,640	1,891
INCOME TAX PROVISION	1,340	684
NET INCOME	2,300	1,207
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	66	121
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 2,366	$ 1,328
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 0.21	$ 0.12
DILUTED INCOME PER COMMON SHARE (in dollars per share)	$ 0.21	$ 0.12
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.15	$ 0.14
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,285	11,198
Diluted (in shares)	11,353	11,316