Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Income Statement [Abstract]
Sales	$ 84,582		$ 88,718
Less: excise taxes	5,586		2,314
Net sales	78,996		86,404
Cost of sales	72,195	[1]	79,175	[1]
Gross profit	6,801		7,229
Selling, general and administrative expenses	5,072		5,875
Other operating costs and losses on sale of assets	0		58
Income from operations	1,729		1,296
Interest expense, net	(197)		(283)
Equity method investment earnings (loss)	3,334		(942)
Income from continuing operations before income taxes	4,866		71
Provision for income taxes	81		0
Net income from continuing operations	4,785		71
Discontinued operations, net of tax (Note 6)	0		1,406
Net income	4,785		1,477
Other comprehensive loss, net of tax	(175)		(149)
Comprehensive income	$ 4,610		$ 1,328
Basic and diluted earnings per share
Income from continuing operations (in usd per share)	$ 0.26		$ 0.00
Income from discontinued operations (in usd per share)	$ 0.00		$ 0.08
Net income (in usd per share)	$ 0.26		$ 0.08
Dividends and dividend equivalents per common share (in usd per share)	$ 0.05		$ 0.05

[1] Includes related party purchases of $7,132 and $3,491 for the quarters ended March 31, 2014 and 2013, respectively. See Note 2. Equity Method Investments.