Acquisitions Acquisitions (Consideration Transferred) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 01, 2015
Business Acquisition [Line Items]
Common stock, shares outstanding (in shares)	65,300,000.0	39,000
Consideration transferred in connection with the Merger		$ 0	$ 0
SBS [Member]
Business Acquisition [Line Items]
Common stock, shares outstanding (in shares)				26,186,111
Business Acquisition, Share Price				$ 16.99
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 444,902
Consideration Attributable To Share Based Equity Awards	8,488
Consideration transferred in connection with the Merger	$ 453,390