CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
NET LOSS	$ (12,484)	$ (12,720)
Adjustments to reconcile net loss to net cash provided by operating activities including discontinued operations:
Depreciation and amortization	34,874	35,768
Derivative valuation changes	373	(14,625)
Amortization of deferred financing costs	725	682
Unit-based compensation expenses	1,393	875
Loss on disposal of assets	2,337	1,395
Bad debt expense	29	999
Other non-cash items	(526)	(193)
Changes in working capital, net of acquired assets and liabilities:
Accounts receivable	14,823	33,488
Receivable from related parties	8,024	2,017
Inventory	(5,076)	5,865
Prepaid expenses and other current assets	(256)	(2,597)
Accounts payable and other accrued liabilities	(4,284)	(26,324)
Payables to related parties	88	64
Customer deposits and advances	171	(968)
Changes in other assets and liabilities	21	540
Corporate overhead support from general partner	7,500
NET CASH PROVIDED BY OPERATING ACTIVITIES	47,732	24,266
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(19,746)	(57,748)
Acquisitions of businesses		(12,583)
Proceeds received from sale of assets	11,624	1,609
Change in restricted cash		600
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(8,122)	(68,122)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings under revolving line of credit	47,000	113,000
Payments on revolving line of credit	(50,000)	(29,000)
Payments on long-term debt and capital leases	432	359
Payments on contingent earnout liabilities		(488)
Distributions to unitholders	(36,042)	(35,033)
Contributions from general partner		1,218
Tax withholding on unit-based vesting	(167)	(92)
Other	(188)	(186)
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(39,829)	49,060
Net change in cash and cash equivalents	(219)	5,204
Cash and cash equivalents balance, beginning of period	1,987	3,325
Cash and cash equivalents balance, end of period	1,768	8,529
Non-cash investing and financing transactions:
Accrued capital expenditures	981	3,353
Contributions from general partner	$ 7,500
Acquisitions funded by issuance of units		$ 3,442