Shareholders' Equity - Equity Stocks Information (Details)	Jun. 14, 2017 shares	Dec. 31, 2017 $ / shares shares
Class of Stock [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.25
Preferred Stock, Shares Authorized		22,000,000
Preferred Stock, Par or Stated Value Per Share | $ / shares		$ 1.00
Common Stock, Shares Authorized		437,500,000
Common Stock, Par or Stated Value Per Share | $ / shares		$ 1.00
Stock Compensation Plan [Member]
Class of Stock [Line Items]
Common Stock Shares Reserved for Future Issuance, Incentive Compensation		24,000,000
Convertible Debt [Member]
Class of Stock [Line Items]
Common Stock Shares Reserved for Future Issuance, Incentive Compensation		12,000,000
Series B [Member]
Class of Stock [Line Items]
Common Stock Shares Reserved for Future Issuance, Incentive Compensation		7,000,000
Common Stock [Member] | Reverse Stock Split [Member]
Class of Stock [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.25
Common Stock, Shares Authorized	437,500,000