Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, Gross	$ 507,034		$ 507,034		$ 455,815
Accumulated depreciation	(161,045)		(161,045)		(137,068)
Property and equipment, Net	345,989		345,989		318,747
Depreciation	16,196	$ 15,126	31,069	$ 30,470
Revenue equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, Gross	441,358		441,358		398,394
Buildings and improvements
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, Gross	49,153		49,153		43,000
Furniture and fixtures, office and computer equipment and vehicles
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, Gross	$ 16,523		$ 16,523		$ 14,421