Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2012	Mar. 13, 2013	Jun. 30, 2012
Document And Entity Information
Entity Registrant Name	First California Financial Group, Inc.
Entity Central Index Key	0001370291
Document Type	10-K
Document Period End Date	Dec. 31, 2012
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 156,414,846
Entity Common Stock, Shares Outstanding		29,244,912
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2012