Basis of Presentation and Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2013
Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items]
Income related to out of period adjustments	$ 3.2	$ 3.2
Term over which short-term deviations from long-term expectations are expected to revert to the long-term assumption		5 years
Mortality assumptions, rolling term		5 years
Professional fees associated with the restatement		$ 18.6
Minimum
Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items]
Unversal life-type contracts, interest credited, rate		3.00%
Maximum
Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items]
Unversal life-type contracts, interest credited, rate		4.50%
Variable Annuity
Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items]
Long-term return assumption		8.00%
Variable Universal Life
Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items]
Long-term return assumption		8.00%