Goodwill and Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Asset Impairment	$ 0	$ 0	$ 0
Amortization expense of intangible assets	$ 15,700,000	$ 900,000	$ 900,000