Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 3,895	$ 9,361
Accounts receivable, net of allowance of $1,711 in 2011 and $1,537 in 2010	64,676	60,816
Drivers' advances and other receivables, net of allowance of $730 in 2011 and $2,499 in 2010	5,711	4,591
Inventory and supplies	4,611	4,481
Prepaid expenses	8,002	8,833
Assets held for sale	16,891	802
Deferred income taxes	4,383	677
Income taxes receivable	232	1,577
Total current assets	108,401	91,138
Property and equipment, at cost	440,051	450,467
Less: accumulated depreciation and amortization	(117,748)	(126,513)
Net property and equipment	322,303	323,954
Goodwill		11,539
Other assets, net	9,121	14,548
Total assets	439,825	441,179
LIABILITIES AND STOCKHOLDERS' EQUITY
Checks outstanding in excess of bank balances	5,963	4,795
Accounts payable	8,752	6,902
Accrued expenses	23,272	26,481
Current maturities of long-term debt	96,258	68,400
Current portion of capital lease obligations	1,957	1,399
Current portion of insurance and claims accrual	14,303	13,927
Total current liabilities	150,505	121,904
Long-term debt	128,167	141,942
Long-term portion of capital lease obligations	16,129	13,418
Insurance and claims accrual	13,734	19,713
Deferred income taxes	42,670	41,821
Other long-term liabilities	1,565	1,683
Total liabilities	352,770	340,481
Commitments and contingent liabilities	0	0
Additional paid-in-capital	89,535	90,842
Treasury stock at cost; 1,097,538 and 1,278,408 shares as of December 31, 2011 and 2010, respectively	(14,445)	(16,799)
Accumulated other comprehensive income	50	476
Retained earnings	11,748	26,015
Total stockholders' equity	87,055	100,698
Total liabilities and stockholders' equity	439,825	441,179
Common Class A [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Common stock	143	140
Common Class B [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Common stock	$ 24	$ 24