XML 67 R68.htm IDEA: XBRL DOCUMENT v2.4.1.9
REAL ESTATE OWNED, NET (REO by Type and Geographic Location by State) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
Real Estate Owned [Line Items]        
Real Estate Owned, Net $ 4,922us-gaap_RealEstateAcquiredThroughForeclosure $ 3,352us-gaap_RealEstateAcquiredThroughForeclosure $ 3,236us-gaap_RealEstateAcquiredThroughForeclosure $ 4,044us-gaap_RealEstateAcquiredThroughForeclosure
Washington [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net 1,056us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_StatementGeographicalAxis
= stpr_WA		      
Oregon [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net 3,833us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_StatementGeographicalAxis
= stpr_OR		      
Idaho [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net 33us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_StatementGeographicalAxis
= stpr_ID		      
One-to four-family construction [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net   3,514us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_OneToFourFamilyConstructionMember		    
One-to four-family construction [Member] | Washington [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net   912us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_OneToFourFamilyConstructionMember
/ us-gaap_StatementGeographicalAxis
= stpr_WA		    
One-to four-family construction [Member] | Oregon [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net   2,602us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_OneToFourFamilyConstructionMember
/ us-gaap_StatementGeographicalAxis
= stpr_OR		    
One-to four-family construction [Member] | Idaho [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net   0us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_OneToFourFamilyConstructionMember
/ us-gaap_StatementGeographicalAxis
= stpr_ID		    
Land development-residential [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net 1,408us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_ResidentialLandDevelopmentMember		      
Land development-residential [Member] | Washington [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net 144us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_ResidentialLandDevelopmentMember
/ us-gaap_StatementGeographicalAxis
= stpr_WA		      
Land development-residential [Member] | Oregon [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net 1,231us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_ResidentialLandDevelopmentMember
/ us-gaap_StatementGeographicalAxis
= stpr_OR		      
Land development-residential [Member] | Idaho [Member]        
Real Estate Owned [Line Items]        
Real Estate Owned, Net $ 33us-gaap_RealEstateAcquiredThroughForeclosure
/ us-gaap_FinancialInstrumentAxis
= banr_ResidentialLandDevelopmentMember
/ us-gaap_StatementGeographicalAxis
= stpr_ID