Bank Deposits (Scheduled Maturities of Certificates of Deposit) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Certificates of deposit	$ 1,970,000.0	$ 2,677,000
Certificates of deposit	1,970,000
Deposits of related parties	2,100,000,000	1,600,000,000
Interest-bearing and time deposits	29,509,000.0	22,031,000
Certificates of Deposit, Less Than $100 [Member]
Within one year	794,000	198,000.0
One to three years	240,000	577,000.0
Over three years		190,000.0
Certificates of deposit	1,034,000	(965,000.0)
Certificates of Deposit, $100 and Greater [Member]
Within one year	656,000	692,000.0
One to three years	280,000	1,020,000.0
Certificates of deposit	936,000	(1,712,000.0)
Other Affiliates [Member]
Deposits of related parties	$ 600,000	$ 400,000

A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.

+ References+ Details

The aggregate amount of domestic and foreign time deposit liabilities (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more.

+ References+ Details