XML 87 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
Document And Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Feb. 27, 2015
Jun. 30, 2014
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Trading Symbol BSRR    
Entity Common Stock, Shares Outstanding   13,676,849dei_EntityCommonStockSharesOutstanding  
Entity Registrant Name SIERRA BANCORP    
Entity Central Index Key 0001130144    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 190dei_EntityPublicFloat