Consolidated Condensed Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 88,279	$ 31,461
Receivables:
Trade, net	80,719	90,712
Other	2,908	11,055
Prepaid expenses and other	20,640	20,938
Total current assets	192,546	154,166
Property and equipment:
Revenue equipment, buildings and land, office equipment and other	943,058	904,237
Accumulated depreciation	(278,488)	(263,843)
Net property and equipment	664,570	640,394
Other noncurrent assets	1,950	2,026
Total assets	859,066	796,586
Current liabilities:
Accounts payable	24,563	22,917
Insurance and claims accruals	36,629	31,729
Accrued and other current liabilities	26,755	21,680
Total current liabilities	87,947	76,326
Deferred income taxes	125,890	122,022
Noncurrent operating lease liabilities	521	649
Total liabilities	214,358	198,997
Stockholders’ equity:
Preferred stock, $.01 par value per share; 2,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $.01 par value per share; 192,000,000 shares authorized; 82,680,849 shares at September 30, 2020, and 82,055,199 shares at December 31, 2019, issued and outstanding	827	821
Additional paid-in capital	84,389	79,465
Retained earnings	559,492	517,303
Total stockholders’ equity	644,708	597,589
Total liabilities and stockholders’ equity	$ 859,066	$ 796,586