Segment Reporting (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2016 USD ($) Segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | Segment		3
Number of operating segments realigned | Segment		2
Schedule of financial data of reportable segments
Revenues	[1]	$ 466,546	$ 488,834
Operating Income	[1]	7,076	20,474
Interest expense	[1]	5,608	4,609
Income before provision for income taxes		1,468	15,865
Depreciation and amortization	[1]	9,209	6,807
Capital expenditures, cash and non-cash		6,047	14,932
Total assets	[2]	1,298,082		$ 1,307,753
Operating Segments | TL
Schedule of financial data of reportable segments
Revenues		273,344	271,859
Operating Income		3,798	13,398
Depreciation and amortization		6,742	4,494
Capital expenditures, cash and non-cash		3,138	13,652
Total assets		642,668		656,491
Operating Segments | LTL
Schedule of financial data of reportable segments
Revenues		114,353	131,645
Operating Income		1,745	7,742
Depreciation and amortization		869	727
Capital expenditures, cash and non-cash		1,111	563
Total assets		333,490		330,203
Operating Segments | Global Solutions
Schedule of financial data of reportable segments
Revenues		83,378	92,746
Operating Income		7,404	5,970
Depreciation and amortization		1,222	1,276
Capital expenditures, cash and non-cash		1,689	63
Total assets		316,027		317,453
Eliminations
Schedule of financial data of reportable segments
Revenues		(4,529)	(7,416)
Total assets		(1,176)		(4,451)
Corporate
Schedule of financial data of reportable segments
Operating Income		(5,871)	(6,636)
Depreciation and amortization		376	310
Capital expenditures, cash and non-cash		109	$ 654
Total assets		$ 7,073		$ 8,057

[1] See Note 13 “Restatement of Previously Issued Financial Statements

[2] See Note 13 “Restatement of Previously Issued Financial Statements