DISCONTINUED OPERATIONS (Details) (California Smith Precast Operations [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
California Smith Precast Operations [Member]
Discontinued operations included in the accompanying condensed consolidated statements of operations [Abstract]
Revenue	$ 0	$ 7,501	$ 0	$ 32,496
Depreciation, depletion and amortization (“DD&A”)	9	142	25	592
Operating expenses excluding DD&A	60	8,415	1,501	33,212
Loss from discontinued operations	(69)	(1,056)	(1,526)	(1,308)
(Loss) gain on settlement of assets	(72)	2,019	(302)	2,021
(Loss) income from discontinued operations, before income taxes	(141)	963	(1,828)	713
Income tax (expense) benefit	0	(304)	70	(305)
Net (loss) income from discontinued operations, net of taxes	$ (141)	$ 659	$ (1,758)	$ 408