Real Estate Loans Receivable (Details Textual) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Real Estate Loans Receivable (Textual) [Abstract]
Allowance for loan losses	$ 0	$ 0
Real estate loans with outstanding balances	$ 12,956

The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 60

-Paragraph 47

Name:	us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant