Goodwill and other Intangible Assets Schedule of Goodwill (Details)	3 Months Ended
	Mar. 31, 2019 USD ($)
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 3,986,000
Goodwill, Gross	1,535,155,000
Goodwill, Impaired, Accumulated Impairment Loss	1,288,979,000
Goodwill	$ 250,162,000