XML 45 R35.htm IDEA: XBRL DOCUMENT
v3.24.3

SECURITIES (Securities Pledged) (Details) $ in Thousands | Sep. 30, 2024 USD ($)
--- | ---
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items] |
Pledged Financial Instruments, Not Separately Reported, Carrying Value | $ 498,390
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost | 510,402
Pledged Financial Instruments, Not Separately Reported, Fair Value | 440,010
Asset Pledged as Collateral without Right | Securities For State and Local Government Public Deposits |
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items] |
Pledged Financial Instruments, Not Separately Reported, Carrying Value | 276,380
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost | 288,392
Pledged Financial Instruments, Not Separately Reported, Fair Value | 252,146
Asset Pledged as Collateral without Right | Securities for Interest Rate Swap Counterparties |
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items] |
Pledged Financial Instruments, Not Separately Reported, Carrying Value | 962
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost | 962
Pledged Financial Instruments, Not Separately Reported, Fair Value | 827
Asset Pledged as Collateral without Right | Securities Sold under Agreements to Repurchase |
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items] |
Pledged Financial Instruments, Not Separately Reported, Carrying Value | 218,747
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost | 218,747
Pledged Financial Instruments, Not Separately Reported, Fair Value | 184,864
Asset Pledged as Collateral without Right | Interest Bearing Deposits for Other Debt Facilities |
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items] |
Pledged Financial Instruments, Not Separately Reported, Carrying Value | 2,301
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost | 2,301
Pledged Financial Instruments, Not Separately Reported, Fair Value | $ 2,173

X
- Definition Pledged Financial Instruments, Not Separately Reported, Amortized Cost + References No definition available. + Details
Name: | banr_PledgedFinancialInstrumentsNotSeparatelyReportedAmortizedCost
Namespace Prefix: | banr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Pledged Financial Instruments, Not Separately Reported, Carrying Value + References No definition available. + Details
Name: | banr_PledgedFinancialInstrumentsNotSeparatelyReportedCarryingValue
Namespace Prefix: | banr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Pledged Financial Instruments, Not Separately Reported, Fair Value + References No definition available. + Details
Name: | banr_PledgedFinancialInstrumentsNotSeparatelyReportedFairValue
Namespace Prefix: | banr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items] + References No definition available. + Details
Name: | banr_ScheduleOfPledgedFinancialInstrumentsNotSeparatelyReportedLineItems
Namespace Prefix: | banr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | banr_DebtSecuritiesPledgedAxis=us-gaap_AssetPledgedAsCollateralWithoutRightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PledgingPurposeAxis=banr_SecuritiesForStateAndLocalGovernmentPublicDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PledgingPurposeAxis=banr_SecuritiesForInterestRateSwapCounterpartiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PledgingPurposeAxis=us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PledgingPurposeAxis=banr_InterestBearingDepositsForOtherDebtFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |