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
	Mar. 31, 2013	Mar. 31, 2012
REVENUES:
Premiums	$ 3.1	$ 0.7
Insurance and investment product fees	90.1	96.8
Net investment income	33.0	30.6
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses	(0.3)	(0.7)
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)	(0.7)	(0.3)
Net OTTI losses recognized in earnings	(1.0)	(1.0)
Net realized investment gains (losses), excluding impairment losses	(16.4)	(1.5)
Net realized investment gains (losses)	(17.4)	(2.5)
Total revenues	108.8	125.6
BENEFITS AND EXPENSES:
Policy benefits	88.5	61.8
Policy acquisition cost amortization	14.0	40.7
Other operating expenses	28.6	26.8
Total benefits and expenses	131.1	129.3
Income (loss) before income taxes	(22.3)	(3.7)
Income tax expense (benefit)	(1.9)	18.8
Net income (loss)	(20.4)	(22.5)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets	(13.3)	8.6
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets	2.7	3.7
Other comprehensive income (loss), net of income taxes	(16.0)	4.9
Comprehensive income (loss)	(36.4)	(17.6)
Total Actuarial Finance Errors
REVENUES:
Premiums		0
Insurance and investment product fees		0.2
Net investment income		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0
Net OTTI losses recognized in earnings		0
Net realized investment gains (losses), excluding impairment losses		1.4
Net realized investment gains (losses)		1.4
Total revenues		1.6
BENEFITS AND EXPENSES:
Policy benefits		7.6
Policy acquisition cost amortization		4.4
Other operating expenses		3.5
Total benefits and expenses		15.5
Income (loss) before income taxes		(13.9)
Income tax expense (benefit)		0
Net income (loss)		(13.9)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(2.8)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0
Other comprehensive income (loss), net of income taxes		(2.8)
Comprehensive income (loss)		(16.7)
Total Investment Errors
REVENUES:
Premiums		0
Insurance and investment product fees		0
Net investment income		0.1
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0.4
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		(0.7)
Net OTTI losses recognized in earnings		(0.3)
Net realized investment gains (losses), excluding impairment losses		4.1
Net realized investment gains (losses)		3.8
Total revenues		3.9
BENEFITS AND EXPENSES:
Policy benefits		0
Policy acquisition cost amortization		(1.4)
Other operating expenses		0
Total benefits and expenses		(1.4)
Income (loss) before income taxes		5.3
Income tax expense (benefit)		0
Net income (loss)		5.3
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		0.3
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0
Other comprehensive income (loss), net of income taxes		0.3
Comprehensive income (loss)		5.6
Third-party reinsurance
REVENUES:
Premiums		0
Insurance and investment product fees		0
Net investment income		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0
Net OTTI losses recognized in earnings		0
Net realized investment gains (losses), excluding impairment losses		0
Net realized investment gains (losses)		0
Total revenues		0
BENEFITS AND EXPENSES:
Policy benefits		(0.2)
Policy acquisition cost amortization		0
Other operating expenses		0
Total benefits and expenses		(0.2)
Income (loss) before income taxes		0.2
Income tax expense (benefit)		0
Net income (loss)		0.2
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		0
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0
Other comprehensive income (loss), net of income taxes		0
Comprehensive income (loss)		0.2
Related party reinsurance
REVENUES:
Premiums		0
Insurance and investment product fees		0.2
Net investment income		0
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0
Net OTTI losses recognized in earnings		0
Net realized investment gains (losses), excluding impairment losses		0
Net realized investment gains (losses)		0
Total revenues		0.2
BENEFITS AND EXPENSES:
Policy benefits		(9.5)
Policy acquisition cost amortization		8.5
Other operating expenses		0
Total benefits and expenses		(1.0)
Income (loss) before income taxes		1.2
Income tax expense (benefit)		0
Net income (loss)		1.2
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(0.7)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		0
Other comprehensive income (loss), net of income taxes		(0.7)
Comprehensive income (loss)		0.5
Other Restatement Adjustments
REVENUES:
Premiums		0
Insurance and investment product fees		(0.1)
Net investment income		0.2
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0
Net OTTI losses recognized in earnings		0
Net realized investment gains (losses), excluding impairment losses		0.1
Net realized investment gains (losses)		0.1
Total revenues		0.2
BENEFITS AND EXPENSES:
Policy benefits		0.2
Policy acquisition cost amortization		0.5
Other operating expenses		0
Total benefits and expenses		0.7
Income (loss) before income taxes		(0.5)
Income tax expense (benefit)		17.7
Net income (loss)		(18.2)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		0.1
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		(0.4)
Other comprehensive income (loss), net of income taxes		0.5
Comprehensive income (loss)		(17.7)
Corrections of Errors
REVENUES:
Premiums		0
Insurance and investment product fees		0.3
Net investment income		0.3
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		0.4
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		(0.7)
Net OTTI losses recognized in earnings		(0.3)
Net realized investment gains (losses), excluding impairment losses		5.6
Net realized investment gains (losses)		5.3
Total revenues		5.9
BENEFITS AND EXPENSES:
Policy benefits		(1.9)
Policy acquisition cost amortization		12.0
Other operating expenses		3.5
Total benefits and expenses		13.6
Income (loss) before income taxes		(7.7)
Income tax expense (benefit)		17.7
Net income (loss)		(25.4)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		(3.1)
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		(0.4)
Other comprehensive income (loss), net of income taxes		(2.7)
Comprehensive income (loss)		(28.1)
As previously reported
REVENUES:
Premiums		0.7
Insurance and investment product fees		96.5
Net investment income		30.3
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		(1.1)
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		0.4
Net OTTI losses recognized in earnings		(0.7)
Net realized investment gains (losses), excluding impairment losses		(7.1)
Net realized investment gains (losses)		(7.8)
Total revenues		119.7
BENEFITS AND EXPENSES:
Policy benefits		63.7
Policy acquisition cost amortization		28.7
Other operating expenses		23.3
Total benefits and expenses		115.7
Income (loss) before income taxes		4.0
Income tax expense (benefit)		1.1
Net income (loss)		2.9
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		11.7
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		4.1
Other comprehensive income (loss), net of income taxes		7.6
Comprehensive income (loss)		10.5
As restated and amended
REVENUES:
Premiums		0.7
Insurance and investment product fees		96.8
Net investment income		30.6
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) losses		(0.7)
Portion of OTTI gains (losses) recognized in other comprehensive income (“OCI”)		(0.3)
Net OTTI losses recognized in earnings		(1.0)
Net realized investment gains (losses), excluding impairment losses		(1.5)
Net realized investment gains (losses)		(2.5)
Total revenues		125.6
BENEFITS AND EXPENSES:
Policy benefits		61.8
Policy acquisition cost amortization		40.7
Other operating expenses		26.8
Total benefits and expenses		129.3
Income (loss) before income taxes		(3.7)
Income tax expense (benefit)		18.8
Net income (loss)		(22.5)
COMPREHENSIVE INCOME (LOSS):
Unrealized investment gains (losses), net of related offsets		8.6
Less: Income tax expense (benefit) related to:
Unrealized investment gains (losses), net of related offsets		3.7
Other comprehensive income (loss), net of income taxes		4.9
Comprehensive income (loss)		$ (17.6)