CUSTOMER DEPOSIT ACCOUNTS (Details3) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CUSTOMER DEPOSIT ACCOUNTS
Deposit Liabilities, Accrued Interest	$ 7,100,000	$ 2,600,000
Interest expense on customer deposits by account type
Interest-bearing checking	3,009,000	2,349,000	1,507,000
Money market accounts	20,610,000	29,514,000	25,583,000
Savings deposits	2,988,000	3,986,000	3,322,000
Time deposits:
Less than $100,000	29,329,000	34,958,000	32,073,000
$100,000 or greater	51,174,000	45,930,000	66,992,000
Total	107,110,000	116,737,000	129,477,000
Time deposits within the Certificate of Deposit Account Registry Service (CDARS) program	$ 580,900,000	$ 713,500,000