CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities
Net income	$ 125,029	$ 111,598
Reconciliation of net income to net cash provided by operating activities
Depreciation and amortization	28,264	21,829
Debt discount and deferred loan cost amortization	126	229
Stock-based compensation	5,257	3,384
Provision for bad debts	255
Inventory obsolescence	1,708	932
Loss on disposal of assets	820	1,759
Deferred income taxes	15,072	11,762
Loss on debt extinguishment		4,305
Gain from revaluation of liability related to tax receivable agreement	(558)
Changes in operating assets and liabilities:
Accounts receivable	(8,326)	(21,761)
Inventories	(14,513)	(22,866)
Prepaid expenses and other assets	4,032	(3,835)
Accounts payable	(4,334)	8,108
Accrued expenses and other liabilities	4,694	6,906
Payments pursuant to tax receivable agreement	(9,335)
Net cash provided by operating activities	148,191	122,350
Cash flows from investing activities
Capital expenditures and other	(40,526)	(55,720)
Proceeds from sale of assets	2,811	1,313
Net cash used in investing activities	(37,715)	(54,407)
Cash flows from financing activities
Principal payments on long-term debt		(248,529)
Payment of deferred financing costs		(576)
Payments on finance leases	(5,660)
Payments on finance leases		(4,456)
Net proceeds from equity offerings		828,168
Distributions to members	(5,853)	(31,848)
Redemption of CW Units		(575,681)
Repurchase of shares	(1,529)
Net cash used in financing activities	(13,042)	(32,922)
Effect of exchange rate changes on cash and cash equivalents	(730)	(614)
Net increase in cash and cash equivalents	96,704	34,407
Cash and cash equivalents
Beginning of period	70,841	7,574
End of period	$ 167,545	$ 41,981