Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from (used for) operating activities:
Net income (loss)	$ 51,657	$ (5,861)
Adjustments to reconcile net income (loss) to net cash from (used for) operating activities -
Depreciation and amortization	10,912	10,056
(Gain) loss on disposition of property and equipment	0	2,127
Stock-based compensation	534	636
Other long-term assets	5,169	(2,531)
Other long-term liabilities	(1,792)	186
Net Cash Provided by (Used in) Operating Activities, Excluding Changes in Working Capital	66,480	4,613
Changes in working capital:
Accounts receivable	(112,850)	3,954
Inventories	(133,276)	3,810
Prepaid expenses and other	(5,176)	(1,819)
Accounts payable	66,181	2,086
Change in outstanding checks	918	(5,605)
Accrued payroll and other accrued liabilities	21,979	(3,527)
Increase (Decrease) in Operating Capital, Total	(162,224)	(1,101)
Net cash from (used for) operating activities	(95,744)	3,512
Cash flows from (used for) investing activities:
Capital expenditures	(4,579)	(6,183)
Proceeds from disposition of property and equipment	23	600
Net cash used for investing activities	(4,556)	(5,583)
Cash flows from (used for) financing activities:
Credit facility revolver borrowings	313,167	185,592
Credit facility revolver repayments	(204,801)	(181,571)
Principal payment under capital lease obligation	(353)	0
Credit facility fees and expenses	(1,167)	0
Repurchase of common stock	0	(145)
Dividends paid	(443)	(442)
Net cash from financing activities	106,403	3,434
Cash and cash equivalents:
Net change	6,103	1,363
Beginning balance	5,533	5,742
Ending balance	11,636	7,105
Interest paid	3,240	3,959
Income taxes paid	$ 10,578	$ 67