Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 81,949	$ 76,684
Trade receivables, net of $1.1 million allowance in 2020 and 2019, respectively	62,538	56,753
Prepaid tires	8,245	9,107
Other current assets	20,865	8,947
Income tax receivable	0	323
Total current assets	173,597	151,814
PROPERTY AND EQUIPMENT
Land and land improvements	76,056	60,637
Buildings	86,220	70,603
Leasehold improvements	0	437
Furniture and fixtures	4,777	4,255
Shop and service equipment	14,669	13,726
Revenue equipment	636,407	583,134
Construction in progress	2,650	6,351
Property, Plant and Equipment, Gross	820,779	739,143
Less accumulated depreciation	251,235	212,856
Property and equipment, net	569,544	526,287
GOODWILL	168,295	168,295
OTHER INTANGIBLES, NET	25,343	27,136
OTHER ASSETS	17,668	19,393
Deferred Income Taxes, Net	5,304	6,006
Assets	959,751	898,931
CURRENT LIABILITIES
Accounts payable and accrued liabilities	23,321	11,060
Compensation and benefits	25,001	24,712
Insurance accruals	16,069	17,584
Other Accrued Liabilities	16,333	10,051
Accrued Income Taxes, Current	3,499	0
Total current liabilities	84,223	63,407
LONG-TERM LIABILITIES
Income taxes payable	5,504	5,956
Deferred Tax and Other Liabilities, Noncurrent	102,252	93,698
Insurance accruals less current portion	46,063	51,211
Total long-term liabilities	153,819	150,865
COMMITMENTS AND CONTINGENCIES (Note 13)
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01; authorized 5,000 shares; none issued	0	0
Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2020 and 2019; outstanding 81,370 and 82,028 in 2020 and 2019, respectively	907	907
Additional paid-in capital	4,398	4,141
Retained earnings	874,916	826,666
Treasury stock, at cost; 9,319 and 8,661 in 2020 and 2019, respectively	(158,512)	(147,055)
Stockholders' Equity Attributable to Parent	721,709	684,659
Liabilities and Stockholders' Equity	$ 959,751	$ 898,931