Stockholders' Equity Preferred stock (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Class of Stock [Line Items]
Common Stock, Voting Rights	.15
Preferred Stock, Shares Authorized	15,000,000	15,000,000
Preferred Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Rights [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Authorized	2,000,000