Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2014	Apr. 07, 2014	Dec. 31, 2013	Sep. 30, 2013	May 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 1,722,129		$ 1,722,129	$ 1,520,031	$ 208,743	$ 215,862	$ 129,070
Goodwill, Period Increase (Decrease)			1,520,031
Goodwill, Impairment Loss	$ 0	$ (6,600)	$ (6,645)