Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets
Insurance reserves	$ 156,639	$ 267,536
Investments	0	13,270
Compensation reserves	0	1,760
Other	833	0
Deferred tax assets	157,472	282,566
Deferred tax liabilities
VOBA and deferred policy acquisition cost	247,825	370,548
Investments	4,467	0
Deferred sales inducements	158,463	232,822
Net unrealized gain on securities	32,414	68,819
Other	0	1,239
Deferred tax liabilities	443,169	673,428
Net deferred tax asset (liability)	$ (285,697)	$ (390,863)