UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (27,578)	$ (17,315)
Adjustments to reconcile net loss to net cash provided by operations:
Depreciation and amortization expense	41,813	21,591
Non-cash operating lease costs	11,240	6,182
Deferred income taxes - net	598	(7,912)
Amortization of deferred financing costs	2,764	1,635
Loss on interest rate swaps upon discontinuing hedge accounting	3,746	0
Equity in earnings of joint ventures	(1,574)	(1,192)
Stock-based incentive compensation expense	1,418	1,153
Other adjustments	(769)	61
Changes in operating assets and liabilities:
Accounts receivable, net	4,194	26,050
Inventories	(33,239)	8,321
Prepaid expenses and other current assets	1,199	6,527
Accounts payable	36,422	(18,692)
Accrued compensation and employee benefits	1,977	(7,338)
Accrued expenses and other current liabilities	13,767	7,609
Operating lease liabilities	(9,382)	(5,442)
Other noncurrent assets and liabilities	6,794	1,168
Net cash provided by operating activities	53,390	22,406
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(9,269)	(8,502)
Other investing cash flows	541	636
Net cash used in investing activities	(8,728)	(7,866)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemptions to related parties	0	(2,000)
Exercise of stock options, vesting of restricted stock, and related tax withholdings	(645)	0
Repayments of debt principal	(4,625)	(2,076)
Other financing cash flows	11,651	0
Net cash provided by (used in) financing activities	6,381	(4,076)
NET INCREASE IN CASH AND CASH EQUIVALENTS	51,043	10,464
Cash and cash equivalents - beginning of the period	67,056	36,391
CASH AND CASH EQUIVALENTS - END OF PERIOD	118,099	46,855
Supplemental disclosure of cash flow information:
Cash paid for interest	53,199	15,156
Cash paid for income taxes	1,887	1,060
Cash paid for operating leases	$ 13,388	$ 9,299