Consolidated Condensed Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 7,664	$ 3,895
Accounts receivable, net of allowance of $1,372 in 2012 and $1,711 in 2011	75,708	64,676
Drivers' advances and other receivables, net of allowance of $925 in 2012 and $730 in 2011	4,164	5,711
Inventory and supplies	4,483	4,611
Prepaid expenses	9,077	8,002
Assets held for sale	6,347	16,891
Deferred income taxes	5,046	4,383
Income taxes receivable	28	232
Total current assets	112,517	108,401
Property and equipment, at cost	405,162	440,051
Less: accumulated depreciation and amortization	(133,159)	(117,748)
Net property and equipment	272,003	322,303
Other assets, net	11,425	9,121
Total assets	395,945	439,825
LIABILITIES AND STOCKHOLDERS' EQUITY
Checks outstanding in excess of bank balances	8,193	5,963
Accounts payable	11,720	8,752
Accrued expenses	28,072	23,272
Current maturities of long-term debt	66,339	96,258
Current portion of capital lease obligations	2,055	1,957
Current portion of insurance and claims accrual	15,805	14,303
Total current liabilities	132,184	150,505
Long-term debt	89,144	128,167
Long-term portion of capital lease obligations	14,539	16,129
Insurance and claims accrual	15,782	13,734
Deferred income taxes	48,790	42,670
Other long-term liabilities	1,476	1,565
Total liabilities	301,915	352,770
Commitment and contingent liabilities
Additional paid-in-capital	90,045	89,535
Treasury stock at cost; 1,061,114 shares and 1,097,538 shares as of September 30, 2012 and December 31, 2011, respectively	(13,965)	(14,445)
Accumulated other comprehensive income	1,423	50
Retained earnings	16,360	11,748
Total stockholders' equity	94,030	87,055
Total liabilities and stockholders' equity	395,945	439,825
Common Class A [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Common stock	143	143
Common Class B [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Common stock	$ 24	$ 24