CONSOLIDATED CONDENSED STATEMENTS OF SHAREOWNER'S EQUITY - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In-Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2016						$ (655,040)
Increase (decrease) in shareowner's equity
Other comprehensive loss						705,194
Ending Balance at Dec. 31, 2017	$ 8,324,285	$ 2	$ 5,000	$ 7,378,496	$ 916,971	23,816
Increase (decrease) in shareowner's equity
Cumulative effect adjustments	(88,594)				(78,042)	(10,552)
Net income for the nine months ended September 30, 2017	18,275				18,275
Other comprehensive loss	(571,748)					(571,748)
Comprehensive income for the nine months ended September 30, 2017	(553,473)
Ending Balance at Mar. 31, 2018	$ 7,682,218	$ 2	$ 5,000	$ 7,378,496	$ 857,204	$ (558,484)