Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of useful life for property, plant and equipment

Depreciation is provided on property, plant and equipment, including finance lease assets, primarily utilizing the straight-line method over the following estimated useful service lives or lease term: 

Computer hardware and office equipment		3-5 years
Computer software		3-10 years
Autos and light trucks		5-7 years
Furniture, fixtures, and trailers		7-10 years
Composite mats (rental fleet)		7-12 years
Machinery and heavy equipment		10-15 years
Owned buildings		20-39 years
Leasehold improvements	Lease term, including reasonably assured renewal periods