Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 11,636	$ 5,533
Accounts receivable, net	264,451	151,601
Inventories, net (includes LIFO credit of $2,885 and LIFO debit of $2,115 as of June 30, 2021 and December 31, 2020, respectively)	373,277	240,001
Prepaid expenses and other	10,295	5,069
Total current assets	659,659	402,204
Property and equipment, at cost	434,506	434,579
Accumulated depreciation	(282,487)	(277,379)
Net property and equipment	152,019	157,200
Goodwill	5,234	5,123
Intangible assets, net	31,666	32,593
Other long-term assets	15,587	18,131
Right of use assets, net	23,524	25,354
Total assets	887,689	640,605
Liabilities
Accounts payable	154,390	87,291
Accrued payroll	24,913	10,985
Other accrued liabilities	31,542	22,869
Current portion of lease liabilities	5,525	5,580
Total current liabilities	216,370	126,725
Credit facility revolver	268,975	160,609
Other long-term liabilities	17,305	22,478
Deferred income taxes	12,968	9,818
Lease liabilities	18,251	19,965
Total liabilities	533,869	339,595
Shareholders' Equity
Preferred stock	0	0
Common stock	132,916	132,382
Accumulated other comprehensive loss	(3,153)	(4,215)
Retained earnings	224,057	172,843
Total shareholders' equity	353,820	301,010
Total liabilities and shareholders' equity	$ 887,689	$ 640,605