Related Party Transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 30, 2013
Related Party Transaction [Line Items]
Deferred loss on reinsurance	$ 146,000,000		$ 146,000,000
Surplus Notes | Surplus Notes 10.5%
Related Party Transaction [Line Items]
Face amount of debt instrument						$ 30,000,000
Majority Shareholder | Surplus Notes | Surplus Notes 10.5%
Related Party Transaction [Line Items]
Face amount of debt instrument							$ 30,000,000.0
Annual interest rate							10.50%
Interest expense			800,000	$ 800,000
Phoenix Life | Service Agreements
Related Party Transaction [Line Items]
General insurance expenses	$ 63,200,000	$ 18,400,000	$ 87,100,000	37,400,000
Phoenix Life | Reinsurance Agreement
Related Party Transaction [Line Items]
Retroceded group executive ordinary corporate owned whole life insurance policies, percent	80.00%		80.00%
Modco reinsurance, assets assumed	$ 827,200,000		$ 827,200,000
Modco reinsurance, liabilities assumed	811,100,000		811,100,000
Accrued, ceding commission	162,100,000		162,100,000
1851 | Underwriting Agreement
Related Party Transaction [Line Items]
Commissions incurred	1,600,000	1,700,000	3,200,000	3,300,000
Saybrus | Sales Agreements
Related Party Transaction [Line Items]
Commissions paid by related party	3,900,000	$ 3,000,000	7,200,000	$ 5,600,000
Commission amounts payable to related party	$ 300,000		$ 300,000		$ 900,000