Dispositions, Assets Held for Sale and Discontinued Operations Balance Sheet and Income Statement of Discontinued Operations(Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reinsurance receivables	$ 276,118		$ 264,776
Total assets held for sale	5,330,151		5,129,745
Total liabilities held for sale	5,203,782		5,006,901
Revenues:
Net realized and unrealized gains on investments	130	989
Interest income	2,296	3,992
Separate account fees	1,399	429
Administrative service fees	21,927	0
Other income	3,096	289
Total revenue	88,010	10,866
Expenses:
Payroll expense	20,341	5,715
Professional fees	4,628	1,074
Commission expense	16,528	0
Total expense	94,612	13,849
Less: Provision for income taxes	(1,496)	(652)
PFG [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and Cash Equivalents - unrestricted	55,073	23,825	28,361
Investments in available for sale securities, at fair value	17,841		17,409
Policy loans	100,025		99,102
Intangible assets	149,454		149,932
Goodwill	3,088		3,088
Other Assets	19,802		22,982
Separate Account Assets	4,975,424		4,799,429
Reinsurance receivables	9,444		9,442
Total assets held for sale	5,330,151		5,129,745
Debt	80,848		83,348
Policy liabilities	109,379		108,455
Reinsurance Payable	1,124		0
Deferred tax liabilities	2,102		801
Disposal Group, Including Discontinued Operation, Other Liabilities	34,134		14,060
Disposal Group, Including Discontinue Operation, Separate Account Liabilities	4,975,424		4,799,429
Total liabilities held for sale	5,203,011		5,006,093
Revenues:
Net realized and unrealized gains on investments	20	5
Interest income	1,174	1,188
Separate account fees	6,226	5,487
Administrative service fees	12,659	12,352
Other income	2	1
Total revenue	20,081	19,033
Expenses:
Interest expense	2,654	2,914
Payroll expense	4,612	5,283
Professional fees	319	190
Change in future policy benefits	1,102	1,125
Mortality Expenses	2,805	2,642
Commission expense	808	574
Depreciation and amortization expenses	457	803
Other expenses	2,237	3,131
Total expense	14,994	16,662
Less: Provision for income taxes	2,742	1,081
Income from discontinued operations, net	$ 2,345	$ 1,290