CONCENTRATIONS OF CREDIT RISK (Details Narrative) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Notes to Financial Statements
Non-real estate secured credit threshold for required loan committee approval	$ 2,000
Real estate secured credit threshold for required loan committee approval	$ 3,000

The threshold amount of non-real estate secured credit for required loan committee approval.

No definition available.

Name:	fcal_NonrealEstateSecuredCreditThresholdForRequiredLoanCommitteeApproval
Namespace Prefix:	fcal_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant