Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Three Months Ended
	March 31,
	2020		2019
Revenues
Truckload	$	382,092	$	369,119
Brokerage		50,476		46,244
Total Operating Revenue	$	432,568	$	415,363
Operating Income
Truckload	$	1,200	$	9,842
Brokerage		(4,868)		2,796
Total Operating Income	$	(3,668)	$	12,638