Bank Deposits - (Scheduled Maturities Of Certificates Of Deposit) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Within one year	$ 111,000	$ 182,000
One to three years	192,000	203,000
Over three years	88,000
Certificates of deposit, less than $100	391,000	385,000
Within one year	249,000	245,000
Certificates of deposit, $100 and greater	249,000	245,000
Total certificates of deposit	640,000	630,000
Deposits of related parties	4,200,000,000	3,300,000,000
Stifel Nicolaus [Member]
Interest bearing and time deposits of executive officers, directors, and affiliates	$ 200,000	$ 200,000