Subsequent Events (Details Textuals 2) (USD $) In Millions, unless otherwise specified	12 Months Ended	1 Months Ended		1 Months Ended
	Dec. 31, 2010	Feb. 28, 2013 Pending Acquisition of Administradora de Fondos de Pensiones Provida S.A. [Member] Subsequent Event [Member]	Feb. 02, 2013 Pending Acquisition of Administradora de Fondos de Pensiones Provida S.A. [Member] Subsequent Event [Member]	Feb. 28, 2013 Pending Acquisition of Administradora de Fondos de Pensiones Provida S.A. [Member] Subsequent Event [Member] Maximum [Member]
Subsequent Event [Line Items]
Business Acquisition, Name of Acquired Entity	American Life Insurance Company ("American Life") and Delaware American Life Insurance Company ("DelAm"), (American Life, together with DelAm, collectively, "ALICO")	Administradora de Fondos de Pensiones Provida S.A. (“Provida”)
Pending Business Acquisition, Percentage of Voting Interests Acquired Directly From Seller			64.30%
Payments to Acquire Businesses, Gross				$ 2,000