CONDENSED CONSOLIDATED STATEMENTS OF (LOSS) INCOME AND COMPREHENSIVE (LOSS) INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF (LOSS) INCOME AND COMPREHENSIVE (LOSS) INCOME
Operating revenue	$ 123,737	$ 133,622	$ 250,510	$ 267,596
Operating expenses:
Salaries, wages and employee benefits	33,636	33,806	69,481	69,896
Fuel and fuel taxes	8,082	14,102	19,945	27,733
Depreciation and amortization	10,034	9,125	20,045	17,943
Insurance and claims	4,009	7,160	9,866	14,440
Equipment rent	2,336	2,568	4,628	5,288
Operations and maintenance	8,606	8,481	17,502	15,754
Purchased transportation	49,276	49,072	97,090	97,353
Operating taxes and licenses	1,349	1,311	2,508	2,428
Communications and utilities	906	719	1,719	1,486
(Gain) loss on disposal of assets, net	(16)	141	22	(4)
Asset impairments	588	367	588	367
Other	3,931	4,787	8,428	9,008
Total operating expenses	122,737	131,639	251,822	261,692
Operating income (loss)	1,000	1,983	(1,312)	5,904
Other expenses:
Interest expense, net	1,235	1,595	2,919	3,336
Other, net	64	171	110	308
Total other expenses, net	1,299	1,766	3,029	3,644
(Loss) income before income taxes	(299)	217	(4,341)	2,260
Income tax expense (benefit)	632	216	(859)	758
Consolidated net (loss) income and comprehensive (loss) income	$ (931)	$ 1	$ (3,482)	$ 1,502
Net (loss) earnings per share:
Average shares outstanding (basic) (in shares)	8,820	8,554	8,737	8,479
Basic (loss) earnings per share (in dollars per share)	$ (0.11)	$ 0.00	$ (0.40)	$ 0.18
Average shares outstanding (diluted) (in shares)	8,820	8,567	8,737	8,498
Diluted (loss) earnings per share (in dollars per share)	$ (0.11)	$ 0.00	$ (0.40)	$ 0.18