CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net (loss) income	$ (17,904)	$ 15,803
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization expense	24,639	18,411
Deferred income taxes	(3,396)	3
Change in TRA liability	79	0
Stock based compensation	2,686	2,905
Amortization of deferred financing costs	612	531
Excess tax benefit related to restricted stock vesting	(101)	179
Change in Fair Value of Earnout liabilities	(63)	(2,568)
Accretion on fair value of Earnout liabilities	0	2,660
Bad debt expense	5,725	919
Loss on derivatives, net	19,488	31,473
Current period cash settlements on derivatives, net	7,170	(11,828)
Accretion of discount to convertible subordinated notes to affiliate	0	1,004
Other	(554)	224
Changes in assets and liabilities:
Decrease in accounts receivable	25,957	18,072
Increase in accounts receivable—affiliates	(10)	(1,925)
Decrease in inventory	2,693	310
Increase in customer acquisition costs	(6,254)	(12,074)
(Increase) decrease in prepaid and other current assets	(59)	5,394
Decrease (increase) in other assets	97	(788)
Decrease in accounts payable and accrued liabilities	(20,140)	(18,422)
(Decrease) increase in accounts payable—affiliates	(2,249)	313
Decrease in other current liabilities	(1,545)	(2,862)
Decrease in other non-current liabilities	(461)	(328)
Net cash provided by operating activities	36,410	45,625
Cash flows from investing activities:
Purchases of property and equipment	(1,163)	(371)
Acquisitions of Perigee and other customers	0	(9,353)
Deposit for Verde Acquisition	0	(65,785)
Acquisition of HIKO	(15,041)	0
Acquisition of NG&E customers	(7,796)	0
Net cash used in investing activities	(24,000)	(75,509)
Cash flows from financing activities:
Proceeds from issuance of Series A Preferred Stock, net of issuance costs paid	48,490	37,937
Borrowings on notes payable	146,800	121,000
Payments on notes payable	(160,050)	(93,789)
Payment of the Major Energy Companies Earnout	(1,607)	(6,299)
Payment of the Provider Companies Earnout and installment consideration	0	(6,676)
Payments on the Verde promissory note	(6,573)	0
Proceeds from disgorgement of stockholders short-swing profits	244	666
Restricted stock vesting	(2,589)	(2,009)
Payment of Tax Receivable Agreement liability	(3,577)	0
Payment of dividends to Class A common stockholders	(4,805)	(4,754)
Payment of distributions to non-controlling unitholders	(19,501)	(19,822)
Payment of Dividends to Preferred Stock	(2,959)	0
Purchase of Treasury Stock	0	(1,285)
Net cash (used in) provided by financing activities	(6,127)	24,969
Increase (decrease) in Cash and cash equivalents	6,283	(4,915)
Cash and cash equivalents—beginning of period	29,419	18,960
Cash and cash equivalents—end of period	35,702	14,045
Non-cash items:
Property and equipment purchase accrual	(123)	50
Cash paid during the period for:
Interest	3,884	1,395
Taxes	5,399	7,232
Major Energy Companies
Adjustments to reconcile net income to net cash flows provided by operating activities:
Payments of Earnouts	0	(1,104)
Provider Companies
Adjustments to reconcile net income to net cash flows provided by operating activities:
Payments of Earnouts	$ 0	$ (677)