FAIR VALUE DISCLOSURES (Schedule of Liabilities Categorized by Fair Value Measurements Hierarchy) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	May. 29, 2015	Apr. 01, 2015	Feb. 23, 2015	Dec. 31, 2014	Dec. 05, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 30,119				$ 5,344
Derivatives and contingent consideration	97,520				30,590
Bode Gravel and Bode Concrete LLC [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 3,500				5,300
Fair value discount rate	7.00%
Mobile-Crete [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 100					$ 1,600
Fair value discount rate	3.50%
Right Away Redy Mix, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 4,700			$ 3,900
Fair value discount rate	8.50%
Ferrara Bros. Building Materials Corp. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 21,200		$ 19,600
Fair value discount rate	10.53%
DuBrook Concrete, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 700	$ 600
Fair value discount rate	15.75%
Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative	$ 67,401				25,246
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	0				0
Derivatives and contingent consideration	0				0
Level 1 [Member] | Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative	0				0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	0				0
Derivatives and contingent consideration	67,401				0
Level 2 [Member] | Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative	67,401				0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	30,119				5,344
Derivatives and contingent consideration	30,119				30,590
Level 3 [Member] | Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative	$ 0				$ 25,246