CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2014
Successor
Net income		$ 179,697	$ 352,608
Other comprehensive income (loss):
Change in net unrealized gains (losses) on investments, net of income tax: (Successor 2016 - $326,765; 2015 - $(680,274)); (Predecessor 2015 - $259,616; 2014 - $529,838)		(1,263,367)	606,848
Reclassification adjustment for investment amounts included in net income, net of income tax: (Successor 2016 - $(5,085); 2015 - $9,352); (Predecessor 2015 - $(2,244); 2014 - $(23,903))		17,369	(9,442)
Change in net unrealized gains (losses) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, net of income tax: (Successor 2016 - $(3,652); 2015 - $(212)); (Predecessor 2015 - $(131); 2014 - $1,883)		(393)	(6,782)
Change in accumulated (loss) gain - derivatives, net of income tax: (Successor 2016 - $370; 2015 - $(45)); (Predecessor 2015 - $5; 2014 - $(1))		(86)	688
Reclassification adjustment for derivative amounts included in net income, net of income tax: (Successor 2016 - $21; 2015 - $45); (Predecessor 2015 - $13; 2014 - $622)		86	39
Total other comprehensive income (loss)		(1,246,391)	591,351
Total comprehensive income (loss)		$ (1,066,694)	$ 943,959
Predecessor
Net income	$ 88,522			$ 491,951
Other comprehensive income (loss):
Change in net unrealized gains (losses) on investments, net of income tax: (Successor 2016 - $326,765; 2015 - $(680,274)); (Predecessor 2015 - $259,616; 2014 - $529,838)	482,143			983,985
Reclassification adjustment for investment amounts included in net income, net of income tax: (Successor 2016 - $(5,085); 2015 - $9,352); (Predecessor 2015 - $(2,244); 2014 - $(23,903))	(4,166)			(44,391)
Change in net unrealized gains (losses) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, net of income tax: (Successor 2016 - $(3,652); 2015 - $(212)); (Predecessor 2015 - $(131); 2014 - $1,883)	(243)			3,498
Change in accumulated (loss) gain - derivatives, net of income tax: (Successor 2016 - $370; 2015 - $(45)); (Predecessor 2015 - $5; 2014 - $(1))	9			(2)
Reclassification adjustment for derivative amounts included in net income, net of income tax: (Successor 2016 - $21; 2015 - $45); (Predecessor 2015 - $13; 2014 - $622)	23			1,155
Total other comprehensive income (loss)	477,766			944,245
Total comprehensive income (loss)	$ 566,288			$ 1,436,196