Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities
Net income	$ 13,367	$ 12,941
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and amortization	5,983	6,184
Distribution received from equity method investee	3,300	0
Deferred income taxes, including change in valuation allowance	(749)	3,057
Share-based compensation	1,234	690
Equity method investment earnings	(1,596)	(4,447)
Other, net	(230)	0
Changes in Operating Assets and Liabilities:
Receivables, net	(3,328)	(4,081)
Inventory	(12,894)	(10,576)
Prepaid expenses	270	(663)
Accounts payable	(2,106)	2,992
Accounts payable to affiliate, net	196	988
Accrued expenses	(2,814)	1,879
Income taxes payable	57	857
Deferred credit	(348)	(340)
Accrued retirement health and life insurance benefits	(124)	(665)
Other, net	0	287
Net cash provided by operating activities	218	9,103
Cash Flows from Investing Activities
Additions to property and equipment	(6,088)	(8,080)
Other, net	230	0
Net cash used in investing activities	(5,858)	(8,080)
Cash Flows from Financing Activities
Purchase of treasury stock	0	(166)
Payment of dividends	(1,378)	(1,087)
Principal payments on long-term debt	(2,173)	(799)
Proceeds from credit facility	17,064	1,235
Payments on credit facility	(6,952)	(1,138)
Loan fees incurred with borrowings	(114)	(348)
Net cash provided by (used in) financing activities	6,447	(2,303)
Increase (decrease) in cash and cash equivalents	807	(1,280)
Cash and cash equivalents, beginning of year	747	5,641
Cash and cash equivalents, end of period	$ 1,554	$ 4,361