Fair Value - Changes in AAA Investments (Details) (USD $)	Mar. 31, 2014		Dec. 31, 2013
Investment Holdings [Line Items]
Investments, at fair value	$ 2,236,648,000		$ 2,012,027,000
AAA Investments
Investment Holdings [Line Items]
Investments, at fair value	2,168,531,000		1,950,010,000
Investments, other net liabilities	(21,116,000)	[1]	(7,959,000)	[2]
Total Net Assets	2,147,415,000		1,942,051,000
Percentage of total investment	100.00%		100.00%
Net assets allocated to the general partner	122,600,000		102,100,000
Note receivable from an affiliate	99,000,000		89,000,000
AAA Investments | Discounted Cash Flows
Investment Holdings [Line Items]
Investments, at fair value	$ 2,168,531,000	[3]	$ 1,950,010,000	[4]
Percentage of total investment	100.00%		100.00%	[4]

[1] Balances include other assets, liabilities and general partner interests of AAA Investments. Balance at March 31, 2014 is primarily comprised of net assets allocated to the general partner of $122.6 million less $99.0 million in note receivable from an affiliate. Carrying values approximate fair value for other assets and liabilities. The note receivable from an affiliate is a Level III asset valued using the price at which the Athene Holding shares were offered in the Athene Private Placement. The unobservable inputs and respective ranges used are the same as noted for the Athene and AAA Services Derivatives in the table above.

[2] Balances include other assets, liabilities and general partner interests of AAA Investments. Balance at December 31, 2013 is primarily comprised of net assets allocated to the general partner of $102.1 million less $89.0 million in note receivable from an affiliate. Carrying values approximate fair value for other assets and liabilities (except for the note receivable from an affiliate) and, accordingly, extended valuation procedures are not required. The note receivable from an affiliate is a Level III asset valued using a discounted cash flow model. The unobservable inputs and respective ranges used in the discounted cash flow model are the same as noted for the Athene and AAA Services Derivatives in the table above.

[3] Represents the investment by AAA Investments in Athene, which is valued using the price at which the Athene Holding shares were offered in the Athene Private Placement. The unobservable inputs and respective ranges used are the same as noted for the Athene and AAA Services Derivatives in the table above.

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