Bank Deposits (Scheduled Maturities Of Certificates Of Deposit) (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Within one year	$ 54,114,000	$ 82,115,000
One to three years	16,205,000	34,694,000
Over three years	2,509,000	3,701,000
Over five years		66,000
Certificates of deposit, less than $100	72,828,000	120,576,000
Within one year	40,248,000	75,577,000
One to three years	16,125,000	41,756,000
Over three years	1,169,000	3,336,000
Over five years	244,000	236,000
Certificates of deposit, $100 and greater	57,786,000	120,905,000
Total certificates of deposit	130,614,000	241,481,000
Deposits of related parties	4,500,000,000	4,300,000,000
Stifel Nicolaus [Member]
Interest bearing and time deposits of executive officers, directors, and affiliates	$ 400,000	$ 400,000