Acquisitions, Strategic Transaction and Integration Expenses EXC (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill, Acquired During Period	$ 1,300	$ 6,536	$ 0
Liabilities Assumed			$ (734)
Excelsior [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			14 years
Customer Relationships [Member] | Excelsior [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			15 years
Developed Technology Rights [Member] | Excelsior [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			10 years
Trade Names [Member] | Excelsior [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			15 years