Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 5,284	$ 5,742
Accounts receivable, net	165,782	133,572
Inventories, net (includes LIFO debit of $1,098 and $598 as of March 31, 2020 and December 31, 2019, respectively)	267,554	273,531
Prepaid expenses and other	6,364	6,997
Total current assets	444,984	419,842
Property and equipment, at cost	420,594	416,511
Accumulated depreciation	(264,699)	(260,264)
Net property and equipment	155,895	156,247
Goodwill	3,423	3,423
Intangible assets, net	28,940	29,259
Other long-term assets	14,569	14,439
Right of use assets, net	30,156	26,345
Total assets	677,967	649,555
Liabilities
Accounts payable	82,962	69,452
Accrued payroll	8,805	13,196
Other accrued liabilities	12,381	12,850
Current portion of lease liabilities	6,095	5,589
Total current liabilities	110,243	101,087
Credit facility revolver	209,052	192,925
Other long-term liabilities	15,964	14,068
Deferred income taxes	12,127	12,262
Lease liabilities	24,189	20,861
Total liabilities	371,575	341,203
Shareholders' Equity
Preferred stock
Common stock	132,006	131,647
Treasury stock	(480)	(335)
Accumulated other comprehensive loss	(4,829)	(2,281)
Retained earnings	179,695	179,321
Total shareholders' equity	306,392	308,352
Total liabilities and shareholders' equity	$ 677,967	$ 649,555