Reinsurance (Reinsurance Info) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
EffectsOfReinsurance1[Abstract]
Reinsurance Recoverable, Guarantee Benefits	$ 2,232,080		$ 2,232,080		$ 748,690
Statement [Line Items]
Total realized investment gains (losses), net	(923)	(68,980)	(5,289)	(150,491)
Policyholders' benefits	42,818	(23,602)	99,734	22,701
Operating Expenses Other Than Amortization Of Deferred Policy Acquisition Costs	$ 96,683	$ 97,420	$ 295,568	$ 297,864