Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
CURRENT ASSETS
Cash and Cash Equivalents, at Carrying Value	$ 76,684	$ 161,448
Trade receivables, net	56,753	48,955
Prepaid tires	9,107	9,378
Other current assets	8,947	12,551
Income tax receivable	323	170
Total current assets	151,814	232,502
PROPERTY AND EQUIPMENT
Land and land improvements	60,637	46,095
Buildings	70,603	57,505
Leasehold improvements	437	437
Furniture and fixtures	4,255	3,057
Shop and service equipment	13,726	10,968
Revenue equipment	583,134	479,068
Construction in progress	6,351	6,540
Property and equipment, gross	739,143	603,670
Less accumulated depreciation	212,856	200,550
Property and equipment, net	526,287	403,120
Goodwill	168,295	132,410
OTHER INTANGIBLES, NET	27,136	14,494
Deferred Income Tax Assets, Net	6,006	4,535
OTHER ASSETS	19,393	19,152
Assets	898,931	806,213
CURRENT LIABILITIES
Accounts payable and accrued liabilities	11,060	10,552
Compensation and benefits	24,712	22,558
Insurance accruals	17,584	22,130
Other Accrued Liabilities	10,051	9,449
Total current liabilities	63,407	64,689
LONG-TERM LIABILITIES
Income taxes payable	5,956	5,577
Deferred income taxes, net	93,698	71,041
Insurance accruals less current portion	51,211	48,934
Total long-term liabilities	150,865	125,552
COMMITMENTS AND CONTINGENCIES (Note 14)
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 2019 and 2018; outstanding 82,028 and 81,930 in 2019 and 2018, respectively	907	907
Additional paid-in capital	4,141	3,454
Retained earnings	826,666	760,262
Treasury stock, at cost; 8,661 and 8,759 shares in 2019 and 2018, respectively	(147,055)	(148,651)
Stockholders' Equity Attributable to Parent	684,659	615,972
Liabilities and Stockholders' Equity	$ 898,931	$ 806,213