Restatement and Amendment of Previously Reported Financial Information Summary of Correction of Errors, Income Statement (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUES:
Premiums	$ 5.1	$ 1.7	$ 8.2	$ 2.4
Insurance and investment product fees	87.2	91.4	177.3	188.2
Net investment income	34.1	32.6	67.1	63.2
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses	0	(3.0)	(0.3)	(3.7)
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)	(0.2)	2.4	(0.9)	2.1
Net OTTI losses recognized in earnings	(0.2)	(0.6)	(1.2)	(1.6)
Net realized investment gains (losses), excluding OTTI losses	10.9	(13.4)	(5.5)	(14.9)
Net realized investment gains (losses)	10.7	(14.0)	(6.7)	(16.5)
Total revenues	137.1	111.7	245.9	237.3
BENEFITS AND EXPENSES:
Policy benefits	91.4	91.6	179.9	153.4
Policy acquisition cost amortization	26.6	27.6	40.6	68.3
Other operating expenses	31.4	24.1	60.0	50.9
Total benefits and expenses	149.4	143.3	280.5	272.6
Income (loss) before income taxes	(12.3)	(31.6)	(34.6)	(35.3)
Income tax expense (benefit)	(16.9)	0.5	(18.8)	19.3
Net income (loss)	4.6	(32.1)	(15.8)	(54.6)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets	(12.1)	8.1	(25.4)	16.7
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets	(12.1)	6.3	(9.4)	10.0
Other comprehensive income (loss), net of income taxes	0	1.8	(16.0)	6.7
Comprehensive income (loss)	4.6	(30.3)	(31.8)	(47.9)
Total Actuarial Finance Errors
REVENUES:
Premiums		(0.1)		(0.1)
Insurance and investment product fees		0.3		0.5
Net investment income		0		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0		0
Net OTTI losses recognized in earnings		0		0
Net realized investment gains (losses), excluding OTTI losses		(5.0)		(3.6)
Net realized investment gains (losses)		(5.0)		(3.6)
Total revenues		(4.8)		(3.2)
BENEFITS AND EXPENSES:
Policy benefits		20.6		28.2
Policy acquisition cost amortization		(3.1)		1.3
Other operating expenses		0.1		3.6
Total benefits and expenses		17.6		33.1
Income (loss) before income taxes		(22.4)		(36.3)
Income tax expense (benefit)		0		0
Net income (loss)		(22.4)		(36.3)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(14.9)		(17.7)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0		0
Other comprehensive income (loss), net of income taxes		(14.9)		(17.7)
Comprehensive income (loss)		(37.3)		(54.0)
Total Investment Errors
REVENUES:
Premiums		0		0
Insurance and investment product fees		0		0
Net investment income		(0.1)		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0		0.4
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0		(0.7)
Net OTTI losses recognized in earnings		0		(0.3)
Net realized investment gains (losses), excluding OTTI losses		(1.9)		2.2
Net realized investment gains (losses)		(1.9)		1.9
Total revenues		(2.0)		1.9
BENEFITS AND EXPENSES:
Policy benefits		0		0
Policy acquisition cost amortization		(0.5)		(1.9)
Other operating expenses		0		0
Total benefits and expenses		(0.5)		(1.9)
Income (loss) before income taxes		(1.5)		3.8
Income tax expense (benefit)		0		0
Net income (loss)		(1.5)		3.8
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(1.7)		(1.4)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0		0
Other comprehensive income (loss), net of income taxes		(1.7)		(1.4)
Comprehensive income (loss)		(3.2)		2.4
Third-party Reinsurance
REVENUES:
Premiums		0		0
Insurance and investment product fees		0		0
Net investment income		0		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0		0
Net OTTI losses recognized in earnings		0		0
Net realized investment gains (losses), excluding OTTI losses		0		0
Net realized investment gains (losses)		0		0
Total revenues		0		0
BENEFITS AND EXPENSES:
Policy benefits		(0.2)		(0.4)
Policy acquisition cost amortization		0		0
Other operating expenses		0		0
Total benefits and expenses		(0.2)		(0.4)
Income (loss) before income taxes		0.2		0.4
Income tax expense (benefit)		0		0
Net income (loss)		0.2		0.4
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		0		0
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0		0
Other comprehensive income (loss), net of income taxes		0		0
Comprehensive income (loss)		0.2		0.4
Related Party Reinsurance
REVENUES:
Premiums		0		0
Insurance and investment product fees		0		0.2
Net investment income		0		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0		0
Net OTTI losses recognized in earnings		0		0
Net realized investment gains (losses), excluding OTTI losses		0		0
Net realized investment gains (losses)		0		0
Total revenues		0		0.2
BENEFITS AND EXPENSES:
Policy benefits		(6.1)		(15.6)
Policy acquisition cost amortization		4.1		12.6
Other operating expenses		0		0
Total benefits and expenses		(2.0)		(3.0)
Income (loss) before income taxes		2.0		3.2
Income tax expense (benefit)		0		0
Net income (loss)		2.0		3.2
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(2.6)		(3.3)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0		0
Other comprehensive income (loss), net of income taxes		(2.6)		(3.3)
Comprehensive income (loss)		(0.6)		(0.1)
Other Restatement Adjustments
REVENUES:
Premiums		0		0
Insurance and investment product fees		0		(0.1)
Net investment income		(0.1)		0.1
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0		0
Net OTTI losses recognized in earnings		0		0
Net realized investment gains (losses), excluding OTTI losses		(0.1)		0
Net realized investment gains (losses)		(0.1)		0
Total revenues		(0.2)		0
BENEFITS AND EXPENSES:
Policy benefits		0.4		0.6
Policy acquisition cost amortization		0.1		0.6
Other operating expenses		(0.5)		(0.5)
Total benefits and expenses		0		0.7
Income (loss) before income taxes		(0.2)		(0.7)
Income tax expense (benefit)		4.2		21.9
Net income (loss)		(4.4)		(22.6)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		0		0.1
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		(3.3)		(3.7)
Other comprehensive income (loss), net of income taxes		3.3		3.8
Comprehensive income (loss)		(1.1)		(18.8)
Corrections of Errors
REVENUES:
Premiums		(0.1)		(0.1)
Insurance and investment product fees		0.3		0.6
Net investment income		(0.2)		0.1
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0		0.4
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0		(0.7)
Net OTTI losses recognized in earnings		0		(0.3)
Net realized investment gains (losses), excluding OTTI losses		(7.0)		(1.4)
Net realized investment gains (losses)		(7.0)		(1.7)
Total revenues		(7.0)		(1.1)
BENEFITS AND EXPENSES:
Policy benefits		14.7		12.8
Policy acquisition cost amortization		0.6		12.6
Other operating expenses		(0.4)		3.1
Total benefits and expenses		14.9		28.5
Income (loss) before income taxes		(21.9)		(29.6)
Income tax expense (benefit)		4.2		21.9
Net income (loss)		(26.1)		(51.5)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(19.2)		(22.3)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		(3.3)		(3.7)
Other comprehensive income (loss), net of income taxes		(15.9)		(18.6)
Comprehensive income (loss)		(42.0)		(70.1)
As previously reported
REVENUES:
Premiums		1.8		2.5
Insurance and investment product fees		91.1		187.6
Net investment income		32.8		63.1
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		(3.0)		(4.1)
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		2.4		2.8
Net OTTI losses recognized in earnings		(0.6)		(1.3)
Net realized investment gains (losses), excluding OTTI losses		(6.4)		(13.5)
Net realized investment gains (losses)		(7.0)		(14.8)
Total revenues		118.7		238.4
BENEFITS AND EXPENSES:
Policy benefits		76.9		140.6
Policy acquisition cost amortization		27.0		55.7
Other operating expenses		24.5		47.8
Total benefits and expenses		128.4		244.1
Income (loss) before income taxes		(9.7)		(5.7)
Income tax expense (benefit)		(3.7)		(2.6)
Net income (loss)		(6.0)		(3.1)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		27.3		39.0
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		9.6		13.7
Other comprehensive income (loss), net of income taxes		17.7		25.3
Comprehensive income (loss)		11.7		22.2
As restated and amended
REVENUES:
Premiums		1.7		2.4
Insurance and investment product fees		91.4		188.2
Net investment income		32.6		63.2
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		(3.0)		(3.7)
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		2.4		2.1
Net OTTI losses recognized in earnings		(0.6)		(1.6)
Net realized investment gains (losses), excluding OTTI losses		(13.4)		(14.9)
Net realized investment gains (losses)		(14.0)		(16.5)
Total revenues		111.7		237.3
BENEFITS AND EXPENSES:
Policy benefits		91.6		153.4
Policy acquisition cost amortization		27.6		68.3
Other operating expenses		24.1		50.9
Total benefits and expenses		143.3		272.6
Income (loss) before income taxes		(31.6)		(35.3)
Income tax expense (benefit)		0.5		19.3
Net income (loss)		(32.1)		(54.6)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		8.1		16.7
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		6.3		10.0
Other comprehensive income (loss), net of income taxes		1.8		6.7
Comprehensive income (loss)		$ (30.3)		$ (47.9)