COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
COMMITMENTS AND CONTINGENCIES.
Financial instruments whose contract amounts represent credit risk	$ 7,110	$ 6,300
Expiration term of contingent obligations, months	12 months
Balances at the Federal Reserve Bank	$ 27,670	$ 30,520