XML 72 R93.htm IDEA: XBRL DOCUMENT v2.4.1.9
DERIVATIVES AND HEDGING (Gain (Loss) On Derivatives Not Designated in Hedging Relationship) (Details) (Not Designated as Hedging Instrument [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) recognized in income, net $ 272us-gaap_DerivativeGainLossOnDerivativeNet $ 4us-gaap_DerivativeGainLossOnDerivativeNet
Mortgage loan commitments [Member] | Mortgage banking operations [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) recognized in income, net 412us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= banr_MortgageLoanCommitmentsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_IncomeStatementLocationAxis
= banr_MortgageBankingOperationsMember
70us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= banr_MortgageLoanCommitmentsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_IncomeStatementLocationAxis
= banr_MortgageBankingOperationsMember
Forward sales contracts [Member] | Mortgage banking operations [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) recognized in income, net $ (140)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= banr_ForwardSalesContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_IncomeStatementLocationAxis
= banr_MortgageBankingOperationsMember
$ (66)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= banr_ForwardSalesContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_IncomeStatementLocationAxis
= banr_MortgageBankingOperationsMember