JUNIOR SUBORDINATED DEBENTURES (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 FCB Statutory Trust I	Dec. 31, 2012 First California Capital Trust I
Junior subordinated debentures	$ 26,805	$ 26,805	$ 10,310	$ 16,495
Interest rate description			3-month LIBOR + 1.55%	3-month LIBOR + 1.60%
Interest rate basis spread			1.55%	1.60%
Maturity date			Dec. 15, 2035	Mar. 15, 2037
Effective interest rate	1.89%		1.86%	1.91%