Merger - Intangible Assets Acquired (Details)		12 Months Ended
	May 11, 2017	Dec. 31, 2017
Customer relationships
Business Acquisition [Line Items]
Estimated useful life		8 years
Provant | Level 3 | Portal (Technology) | Income Approach Valuation Technique | Relief from Royalty
Business Acquisition [Line Items]
Estimated useful life	6 years
Provant | Level 3 | Customer relationships | Income Approach Valuation Technique | Multi-Period Excess Earnings
Business Acquisition [Line Items]
Estimated useful life	8 years
Provant | Level 3 | Trade name/trademark | Income Approach Valuation Technique | Relief from Royalty
Business Acquisition [Line Items]
Estimated useful life	9 months
Provant | Level 3 | Non-compete agreements | Income Approach Valuation Technique | Lost Profits Method
Business Acquisition [Line Items]
Estimated useful life	1 year