Acquisitions Universal Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Acquired Indefinite-lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

The intangible assets included above consist of the following:

	Fair value (in thousands)		Weighted average estimated useful life (in years)
Customer relationships	$	10,800	15
Backlog	1,700		1
Trade names / trademarks	3,000		20
Technology	4,000		7
Total amortizable intangible assets	$	19,500

The intangible assets included above consist of the following:

(in thousands)	Fair value (in thousands)		Weighted average estimated useful life (in years)
Customer relationships	$	12,217	9
Backlog	17,769		2
Trade names / trademarks	8,885		20
Technology	14,438		10
Non-compete agreements	1,666		3
Internally-developed software	189		3
Total amortizable intangible assets	$	55,164