9. INTEREST-BEARING DEPOSITS - Interest expense recognized on interest-bearing deposits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest Bearing Deposits [Line Items]
Interest Expense on Deposit Liabilities	$ 1,021	$ 1,197	$ 1,610
Savings [Member]
Interest Bearing Deposits [Line Items]
Interest Expense on Deposit Liabilities	40	68	114
Money Market [Member]
Interest Bearing Deposits [Line Items]
Interest Expense on Deposit Liabilities	383	435	616
NOW Accounts [Member]
Interest Bearing Deposits [Line Items]
Interest Expense on Deposit Liabilities	36	40	42
Time, $100,000 or more [Member]
Interest Bearing Deposits [Line Items]
Interest Expense on Deposit Liabilities	395	446	528
Other Time [Member]
Interest Bearing Deposits [Line Items]
Interest Expense on Deposit Liabilities	$ 167	$ 208	$ 310