Acquisitions and Strategic Transaction Expenses Business Combinations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Business Combination, Consideration Transferred		$ 56,786
Sale of assets acquired in acquisition		28,970
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets		254
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent		4,426
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		3,982
Finite-lived Intangible Assets Acquired		18,076
Goodwill, Acquired During Period	$ 0	4,985
Liabilities assumed		(3,907)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		56,786
Proceeds from Sales of Business, Affiliate and Productive Assets		$ 29,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		14 years
Excelsior [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 59,500
Customer Relationships [Member]
Business Acquisition [Line Items]
Indefinite-lived Intangible Assets Acquired		$ 7,100
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
Developed Technology Rights [Member]
Business Acquisition [Line Items]
Indefinite-lived Intangible Assets Acquired		$ 3,700
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Trade Names [Member]
Business Acquisition [Line Items]
Indefinite-lived Intangible Assets Acquired		$ 7,300
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years