$BANR
BANNER CORP Stock $banr

$banr Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000094667321000016 Filed on November 04, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q4
Revenue		$10.46M
YoY Change
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$5.800M	$6.000M	$6.200M
YoY Change	-6.45%	-7.69%	-4.62%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit		$25.33M	$23.51M
YoY Change		-10.23%	15.91%
Interest Expense		$5.722M	$7.716M
YoY Change		-33.12%	-44.56%
% of Operating Profit		22.59%	32.82%
Other Income/Expense, Net		$6.977M
YoY Change		32.02%
Pretax Income	$59.40M	$61.97M	$48.79M
YoY Change	21.75%	40.72%	15.93%
Income Tax	$9.500M	$12.09M	$9.831M
% Of Pretax Income	15.99%	19.51%	20.15%
Net Earnings	$49.93M	$49.88M	$38.96M
YoY Change	28.16%	36.49%	15.75%
Net Earnings / Revenue		477.04%
Basic Earnings Per Share		$1.45	$1.11
Diluted Earnings Per Share	$1.442M	$1.44	$1.10
COMMON SHARES
Basic Shares Outstanding	34.25M shares	34.45M shares	35.16M shares
Diluted Shares Outstanding		34.67M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$2.134B	$2.201B	$1.234B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$148.8M	$151.5M	$164.6M
YoY Change	-9.6%	-11.7%	-7.56%
Goodwill	$373.1M	$373.1M	$373.1M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$71.00M	$70.00M	$66.00M
YoY Change	7.58%	9.38%	10.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$16.80B	$16.64B	$15.03B
YoY Change	11.8%	13.63%	19.26%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$208.0M	$239.0M	$203.0M
YoY Change	2.46%	19.5%	-10.96%
Deferred Revenue
YoY Change
Short-Term Debt	$264.0M	$247.0M	$185.0M
YoY Change	42.7%	39.55%	56.78%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$208.0M	$239.0M	$203.0M
YoY Change	2.46%	19.5%	-10.96%
LONG-TERM LIABILITIES
Long-Term Debt	$218.0M	$223.0M	$215.0M
YoY Change	1.4%	7.21%	80.67%
Other Long-Term Liabilities	$47.00M	$46.00M	$45.00M
YoY Change	4.44%	2.22%	-2.17%
Total Long-Term Liabilities	$265.0M	$269.0M	$260.0M
YoY Change	1.92%	6.32%	57.58%
TOTAL LIABILITIES
Total Short-Term Liabilities	$208.0M	$239.0M	$203.0M
Total Long-Term Liabilities	$265.0M	$269.0M	$260.0M
Total Liabilities	$15.11B	$14.97B	$13.37B
YoY Change	13.09%	15.2%	21.39%
SHAREHOLDERS EQUITY
Retained Earnings	$390.8M	$355.0M	$247.3M
YoY Change	58.0%	59.24%	32.37%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.690B	$1.667B	$1.666B
YoY Change
Total Liabilities & Shareholders Equity	$16.80B	$16.64B	$15.03B
YoY Change	11.8%	13.63%	19.26%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q4
OPERATING ACTIVITIES
Net Income	$49.93M	$49.88M	$38.96M
YoY Change	28.16%	36.49%	15.75%
Depreciation, Depletion And Amortization	$5.800M	$6.000M	$6.200M
YoY Change	-6.45%	-7.69%	-4.62%
Cash From Operating Activities	-$28.10M	$10.00M	-$12.80M
YoY Change	119.53%	-91.84%	-115.92%
INVESTING ACTIVITIES
Capital Expenditures	-$4.100M	-$1.200M	-$2.900M
YoY Change	41.38%	-61.29%	-63.75%
Acquisitions
YoY Change
Other Investing Activities	-$191.3M	$267.1M	$199.0M
YoY Change	-196.13%	-1017.87%	-284.6%
Cash From Investing Activities	-$195.4M	$265.9M	$196.1M
YoY Change	-199.64%	-925.78%	-269.34%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	157.4M	456.7M	345.3M
YoY Change	-54.42%	133.73%	1746.52%
NET CHANGE
Cash From Operating Activities	-28.10M	10.00M	-12.80M
Cash From Investing Activities	-195.4M	265.9M	196.1M
Cash From Financing Activities	157.4M	456.7M	345.3M
Net Change In Cash	-66.10M	732.6M	528.6M
YoY Change	-112.5%	156.42%	-3265.27%
FREE CASH FLOW
Cash From Operating Activities	-$28.10M	$10.00M	-$12.80M
Capital Expenditures	-$4.100M	-$1.200M	-$2.900M
Free Cash Flow	-$24.00M	$11.20M	-$9.900M
YoY Change	142.42%	-91.08%	-111.2%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Central Index Key EntityCentralIndexKey	0000946673
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	000-26584
	dei	Entity Registrant Name EntityRegistrantName	BANNER CORPORATION
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	91-1691604
	dei	Entity Address Address Line1 EntityAddressAddressLine1	10 South First Avenue
	dei	Entity Address City Or Town EntityAddressCityOrTown	Walla Walla
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	99362
	dei	City Area Code CityAreaCode	509
	dei	Local Phone Number LocalPhoneNumber	527-3636
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	dei	Security12b Title Security12bTitle	Common Stock, par value $.01 per share
	dei	Trading Symbol TradingSymbol	BANR
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3797000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	25334000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4653000	USD
CY2021Q3	us-gaap	Other Income OtherIncome	2046000	USD
CY2020Q3	us-gaap	Other Income OtherIncome	951000	USD
	us-gaap	Other Income OtherIncome	7808000	USD
	us-gaap	Other Income OtherIncome	5017000	USD
CY2021Q3	us-gaap	Other Operating Income OtherOperatingIncome	23500000	USD
CY2020Q3	us-gaap	Other Operating Income OtherOperatingIncome	27541000	USD
	us-gaap	Other Operating Income OtherOperatingIncome	69429000	USD
	us-gaap	Other Operating Income OtherOperatingIncome	76652000	USD
CY2021Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	56000	USD
CY2020Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	644000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	618000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	815000	USD
CY2021Q3	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	1778000	USD
CY2020Q3	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	37000	USD
	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	1895000	USD
	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-2360000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	28222000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	71942000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	75107000	USD
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	59799000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	61171000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	186553000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	184494000	USD
CY2021Q3	banr	Capitalized Loan Origination Costs CapitalizedLoanOriginationCosts	8290000	USD
CY2020Q3	banr	Capitalized Loan Origination Costs CapitalizedLoanOriginationCosts	8517000	USD
	banr	Capitalized Loan Origination Costs CapitalizedLoanOriginationCosts	26754000	USD
	banr	Capitalized Loan Origination Costs CapitalizedLoanOriginationCosts	25433000	USD
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	13153000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	13022000	USD
	us-gaap	Occupancy Net OccupancyNet	38965000	USD
	us-gaap	Occupancy Net OccupancyNet	39114000	USD
CY2021Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6110000	USD
CY2020Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6090000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	17915000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	17984000	USD
CY2021Q3	banr	Payment And Card Processing Expenses PaymentAndCardProcessingExpenses	6181000	USD
CY2020Q3	banr	Payment And Card Processing Expenses PaymentAndCardProcessingExpenses	4044000	USD
	banr	Payment And Card Processing Expenses PaymentAndCardProcessingExpenses	15482000	USD
	banr	Payment And Card Processing Expenses PaymentAndCardProcessingExpenses	12135000	USD
CY2021Q3	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	12324000	USD
CY2020Q3	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	2368000	USD
	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	20023000	USD
	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	6450000	USD
CY2021Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1521000	USD
CY2020Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1105000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	3965000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	3584000	USD
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1469000	USD
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1628000	USD
CY2021Q3	banr	Amortization Of Core Deposit Intangible Assets AmortizationOfCoreDepositIntangibleAssets	1575000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	4243000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	4968000	USD
CY2021Q3	us-gaap	Taxes Other TaxesOther	1219000	USD
CY2020Q3	us-gaap	Taxes Other TaxesOther	1196000	USD
	us-gaap	Taxes Other TaxesOther	3367000	USD
	us-gaap	Taxes Other TaxesOther	3284000	USD
CY2021Q3	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	-53000	USD
CY2020Q3	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	11000	USD
	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	71000	USD
	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	-93000	USD
CY2020Q3	banr	Amortization Of Core Deposit Intangible Assets AmortizationOfCoreDepositIntangibleAssets	1864000	USD
	banr	Amortization Of Core Deposit Intangible Assets AmortizationOfCoreDepositIntangibleAssets	4997000	USD
	banr	Amortization Of Core Deposit Intangible Assets AmortizationOfCoreDepositIntangibleAssets	5867000	USD
CY2021Q3	us-gaap	Other Expenses OtherExpenses	6977000	USD
CY2020Q3	us-gaap	Other Expenses OtherExpenses	5285000	USD
	us-gaap	Other Expenses OtherExpenses	18642000	USD
	us-gaap	Other Expenses OtherExpenses	16841000	USD
CY2021Q3	banr	Noninterest Operating Expense Before Covid19and Acquisition Related Costs NoninterestOperatingExpenseBeforeCOVID19andAcquisitionRelatedCosts	102091000	USD
CY2020Q3	banr	Noninterest Operating Expense Before Covid19and Acquisition Related Costs NoninterestOperatingExpenseBeforeCOVID19andAcquisitionRelatedCosts	89245000	USD
	banr	Noninterest Operating Expense Before Covid19and Acquisition Related Costs NoninterestOperatingExpenseBeforeCOVID19andAcquisitionRelatedCosts	287327000	USD
	banr	Noninterest Operating Expense Before Covid19and Acquisition Related Costs NoninterestOperatingExpenseBeforeCOVID19andAcquisitionRelatedCosts	269381000	USD
CY2021Q3	banr	Covid19 Expenses COVID19Expenses	44000	USD
CY2020Q3	banr	Covid19 Expenses COVID19Expenses	778000	USD
	banr	Covid19 Expenses COVID19Expenses	309000	USD
	banr	Covid19 Expenses COVID19Expenses	3169000	USD
CY2021Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	10000	USD
CY2020Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	5000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	660000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1483000	USD
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	102145000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	90028000	USD
	us-gaap	Noninterest Expense NoninterestExpense	288296000	USD
	us-gaap	Noninterest Expense NoninterestExpense	274033000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	61973000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	44040000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	187152000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	93665000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12089000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7492000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36031000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16694000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	49884000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	36548000	USD
	us-gaap	Net Income Loss NetIncomeLoss	151121000	USD
	us-gaap	Net Income Loss NetIncomeLoss	76971000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.45
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.18
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.32
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.17
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.23
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.82
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34446510	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35193109	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34716914	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35285567	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34669492	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35316679	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35012228	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35524771	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	49884000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	36548000	USD
	us-gaap	Net Income Loss NetIncomeLoss	151121000	USD
	us-gaap	Net Income Loss NetIncomeLoss	76971000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-23223000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-3090000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-62711000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	47000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-5574000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-742000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-15051000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	11280000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	118000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	125000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	634000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	296000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	28000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	30000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	152000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	71000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Before Tax After Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustment	-7333000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Before Tax After Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustment	-208000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Before Tax After Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustment	-7879000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Before Tax After Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionBeforeTaxAfterReclassificationAdjustment	9483000	USD
CY2021Q3	banr	Other Comprehensive Income Loss Changein Fair Valueof Junior Subordinated Debentures Tax OtherComprehensiveIncomeLossChangeinFairValueofJuniorSubordinatedDebenturesTax	-1760000	USD
CY2020Q3	banr	Other Comprehensive Income Loss Changein Fair Valueof Junior Subordinated Debentures Tax OtherComprehensiveIncomeLossChangeinFairValueofJuniorSubordinatedDebenturesTax	-50000	USD
	banr	Other Comprehensive Income Loss Changein Fair Valueof Junior Subordinated Debentures Tax OtherComprehensiveIncomeLossChangeinFairValueofJuniorSubordinatedDebenturesTax	-1891000	USD
	banr	Other Comprehensive Income Loss Changein Fair Valueof Junior Subordinated Debentures Tax OtherComprehensiveIncomeLossChangeinFairValueofJuniorSubordinatedDebenturesTax	2276000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23312000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2601000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-54130000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	42702000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26572000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33947000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	96991000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	119673000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	1594034000	USD
CY2020Q1	banr	Cumulativeeffect Accounting Standard Update Adopted CumulativeeffectAccountingStandardUpdateAdopted	11215000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	16882000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	46823000	USD
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2020Q1	us-gaap	Dividends Common Stock DividendsCommonStock	14583000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1534000	USD
CY2020Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	31775000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	1601700000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	1601700000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	23541000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1520000	USD
CY2020Q2	us-gaap	Dividends Common Stock DividendsCommonStock	15000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1397000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1625103000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1625103000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	36548000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2601000	USD
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	15037000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2516000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	1646529000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	1646529000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	38957000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6889000	USD
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2020Q4	us-gaap	Dividends Common Stock DividendsCommonStock	14600000	USD
CY2020Q4	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2267000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1666264000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1666264000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	46855000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-56103000	USD
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	14589000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1714000	USD
CY2021Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	25324000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1618817000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1618817000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	54382000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	25285000	USD
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	14459000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	-259000	USD
CY2021Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	14555000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1669211000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1669211000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	49884000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-23312000	USD
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	14354000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2339000	USD
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	16649000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	1667119000	USD
	us-gaap	Net Income Loss NetIncomeLoss	151121000	USD
	us-gaap	Net Income Loss NetIncomeLoss	76971000	USD
	us-gaap	Depreciation Depreciation	13071000	USD
	us-gaap	Depreciation Depreciation	13677000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-34389000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-8503000	USD
	banr	Amortization Of Core Deposit Intangible Assets AmortizationOfCoreDepositIntangibleAssets	4997000	USD
	banr	Amortization Of Core Deposit Intangible Assets AmortizationOfCoreDepositIntangibleAssets	5867000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	618000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	815000	USD
	us-gaap	Increase Decrease In Other Financial Instruments Used In Operating Activities IncreaseDecreaseInOtherFinancialInstrumentsUsedInOperatingActivities	1895000	USD
	us-gaap	Increase Decrease In Other Financial Instruments Used In Operating Activities IncreaseDecreaseInOtherFinancialInstrumentsUsedInOperatingActivities	-2360000	USD
	banr	Dividend Income Reinvested Equity Securities Operating DividendIncomeReinvestedEquitySecuritiesOperating	0	USD
	banr	Dividend Income Reinvested Equity Securities Operating DividendIncomeReinvestedEquitySecuritiesOperating	-255000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	4388000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	1279000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	499000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1426000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	7012000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6893000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	3482000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	3721000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	22623000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	34951000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1452000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-496000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-28145000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	67273000	USD
	banr	Real Estate Owned Valuation Allowance Provision Increase Decrease RealEstateOwnedValuationAllowanceProvisionIncreaseDecrease	0	USD
	banr	Real Estate Owned Valuation Allowance Provision Increase Decrease RealEstateOwnedValuationAllowanceProvisionIncreaseDecrease	18000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	912467000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	1032523000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	1115207000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	1091984000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-23630000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	51796000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	23645000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5040000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	329723000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138162000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2390756000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	608192000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1136965000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	311781000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	59591000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	128939000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	52440000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	215780000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	23842000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	20691000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	4750000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1060000000	USD
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	4796000	USD
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	610519000	USD
	banr	Loans Originated Netof Principal Collections LoansOriginatedNetofPrincipalCollections	660016000	USD
	banr	Loans Originated Netof Principal Collections LoansOriginatedNetofPrincipalCollections	-855936000	USD
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	4258000	USD
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	18000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	38386000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	8454000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6355000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9936000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	8299000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2869000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	4358000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	52164000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	0	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	40185000	USD
	us-gaap	Payments For Securities Purchased Under Agreements To Resell PaymentsForSecuritiesPurchasedUnderAgreementsToResell	300000000	USD
	us-gaap	Payments For Securities Purchased Under Agreements To Resell PaymentsForSecuritiesPurchasedUnderAgreementsToResell	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2343000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3913000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-819963000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1650717000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1597381000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2166700000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	100000000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	0	USD
	banr	Proceedsfrom Repaymentsof Federal Home Loan Bank Borrowings ProceedsfromRepaymentsofFederalHomeLoanBankBorrowings	0	USD
	banr	Proceedsfrom Repaymentsof Federal Home Loan Bank Borrowings ProceedsfromRepaymentsofFederalHomeLoanBankBorrowings	-300000000	USD
	us-gaap	Increase Decrease In Other Loans IncreaseDecreaseInOtherLoans	-62572000	USD
	us-gaap	Increase Decrease In Other Loans IncreaseDecreaseInOtherLoans	-58508000	USD
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	98027000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	43568000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	79655000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3218000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1447000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56528000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	31775000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1456639000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1910358000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	966399000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	397803000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1234183000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1588000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	307735000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2200582000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	705538000	USD
	us-gaap	Interest Paid Net InterestPaidNet	17927000	USD
	us-gaap	Interest Paid Net InterestPaidNet	31817000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	20081000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-27515000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	512000	USD
CY2021Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1191000	USD
CY2020Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1179000	USD
CY2021Q3	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	27203000	USD
CY2021Q3	us-gaap	Trading Securities TradingSecurities	26875000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3443516000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	45393000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	42334000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3446575000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	447812000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	20390000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2200000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	466002000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	104000	USD
CY2020Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	27203000	USD
CY2020Q4	us-gaap	Trading Securities TradingSecurities	24980000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2256189000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	68543000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2139000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2322593000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	421807000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	26980000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	106000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	448681000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	-94000	USD
CY2021Q3	banr	Debt Securities Held To Maturity Accrued Interest Receivable DebtSecuritiesHeldToMaturityAccruedInterestReceivable	2700000	USD
CY2020Q4	banr	Debt Securities Held To Maturity Accrued Interest Receivable DebtSecuritiesHeldToMaturityAccruedInterestReceivable	3000000	USD
CY2021Q3	banr	Debt Securities Available For Sale Accrued Interest Receivable DebtSecuritiesAvailableForSaleAccruedInterestReceivable	9300000	USD
CY2020Q4	banr	Debt Securities Available For Sale Accrued Interest Receivable DebtSecuritiesAvailableForSaleAccruedInterestReceivable	6900000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1611688000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	40591000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	88017000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1743000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1699705000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	42334000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	189078000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	247694000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2139000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	84	numberOfSecurities
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1135000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	58616000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1004000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	54	numberOfSecurities
	banr	Trading Securities Number Of Securities Sold TradingSecuritiesNumberOfSecuritiesSold	0	numberOfSecurities
	banr	Trading Securities Number Of Securities Sold TradingSecuritiesNumberOfSecuritiesSold	0	numberOfSecurities
CY2021Q3	banr	Trading Securities Number Of Securities In Nonaccrual Status TradingSecuritiesNumberOfSecuritiesInNonaccrualStatus	0	numberOfSecurities
CY2020Q4	banr	Trading Securities Number Of Securities In Nonaccrual Status TradingSecuritiesNumberOfSecuritiesInNonaccrualStatus	0	numberOfSecurities
	us-gaap	Debt Securities Trading Unrealized Gain DebtSecuritiesTradingUnrealizedGain	1900000	USD
	us-gaap	Debt Securities Trading Unrealized Loss DebtSecuritiesTradingUnrealizedLoss	2400000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	140000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	557000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	766000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	729000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	22000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	432000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	132000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	433000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	118000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	125000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	634000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	296000	USD
CY2020Q4	banr	Availableforsale Securities Numberof Securitiesin Nonaccrual Status AvailableforsaleSecuritiesNumberofSecuritiesinNonaccrualStatus	0	numberOfSecurities
CY2021Q3	banr	Availableforsale Securities Numberof Securitiesin Nonaccrual Status AvailableforsaleSecuritiesNumberofSecuritiesinNonaccrualStatus	0	numberOfSecurities
	banr	Held To Maturity Securities Realized Gain Loss Number Of Securities Sold HeldToMaturitySecuritiesRealizedGainLossNumberOfSecuritiesSold	1	numberOfSalesOfSecurities
	banr	Held To Maturity Securities Realized Gain Loss Number Of Securities Sold HeldToMaturitySecuritiesRealizedGainLossNumberOfSecuritiesSold	1	numberOfSalesOfSecurities
CY2021Q3	banr	Held To Maturity Securities Number Of Securities In Nonaccrual Status HeldToMaturitySecuritiesNumberOfSecuritiesInNonaccrualStatus	0	numberOfSecurities
CY2020Q4	banr	Held To Maturity Securities Number Of Securities In Nonaccrual Status HeldToMaturitySecuritiesNumberOfSecuritiesInNonaccrualStatus	0	numberOfSecurities
	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	4800000	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	46000	USD
CY2021Q3	banr	Trading Securities Debt Maturities Next Twelve Months Amortized Cost Basis TradingSecuritiesDebtMaturitiesNextTwelveMonthsAmortizedCostBasis	0	USD
CY2021Q3	banr	Trading Securities Debt Maturities Next Twelve Months Fair Value TradingSecuritiesDebtMaturitiesNextTwelveMonthsFairValue	0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	59150000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	59360000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	5444000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	5471000	USD
CY2021Q3	banr	Trading Securities Debt Maturities Year Two Through Five Amortized Cost Basis TradingSecuritiesDebtMaturitiesYearTwoThroughFiveAmortizedCostBasis	0	USD
CY2021Q3	banr	Trading Securities Debt Maturities Year Two Through Five Fair Value TradingSecuritiesDebtMaturitiesYearTwoThroughFiveFairValue	0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	173666000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	181152000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	59705000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	62039000	USD
CY2021Q3	banr	Trading Securities Debt Maturities Year Six Through Ten Amortized Cost Basis TradingSecuritiesDebtMaturitiesYearSixThroughTenAmortizedCostBasis	0	USD
CY2021Q3	banr	Trading Securities Debt Maturities Year Six Through Ten Fair Value TradingSecuritiesDebtMaturitiesYearSixThroughTenFairValue	0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	845638000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	847708000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	21961000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	23312000	USD
CY2021Q3	banr	Trading Securities Debt Maturities Year Eleven Through Twenty Amortized Cost Basis TradingSecuritiesDebtMaturitiesYearElevenThroughTwentyAmortizedCostBasis	27203000	USD
CY2021Q3	banr	Trading Securities Debt Maturities Year Eleven Through Twenty Fair Value TradingSecuritiesDebtMaturitiesYearElevenThroughTwentyFairValue	26875000	USD
CY2021Q3	banr	Available For Sale Securities Debt Maturities Year Eleven Through Twenty Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesYearElevenThroughTwentyAmortizedCostBasis	502832000	USD
CY2021Q3	banr	Available For Sale Securities Debt Maturities Year Eleven Through Twenty Fair Value AvailableForSaleSecuritiesDebtMaturitiesYearElevenThroughTwentyFairValue	514271000	USD
CY2021Q3	banr	Held To Maturity Securities Debt Maturities After Eleven Through Twenty Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterElevenThroughTwentyYearsNetCarryingAmount	164303000	USD
CY2021Q3	banr	Held To Maturity Securities Debt Maturities Year Eleven Through Twenty Fair Value HeldToMaturitySecuritiesDebtMaturitiesYearElevenThroughTwentyFairValue	168315000	USD
CY2021Q3	banr	Trading Securities Debt Maturities After Twenty Years Amortized Cost Basis TradingSecuritiesDebtMaturitiesAfterTwentyYearsAmortizedCostBasis	0	USD
CY2021Q3	banr	Trading Securities Debt Maturities After Twenty Years Fair Value TradingSecuritiesDebtMaturitiesAfterTwentyYearsFairValue	0	USD
CY2021Q3	banr	Available For Sale Securities Debt Maturities After Twenty Years Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsAmortizedCostBasis	1862230000	USD
CY2021Q3	banr	Available For Sale Securities Debt Maturities After Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsFairValue	1844084000	USD
CY2021Q3	banr	Held To Maturity Securities Debt Maturities After Twenty Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTwentyYearsNetCarryingAmount	196399000	USD
CY2021Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	278087000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements Amortized Cost PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreementsAmortizedCost	285068000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements Fair Value PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreementsFairValue	278087000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Interestbearing Depositsfor Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedInterestbearingDepositsforOtherDebtFacilities	2549000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Interestbearing Depositsfor Other Debt Facilities Amortized Cost PledgedFinancialInstrumentsNotSeparatelyReportedInterestbearingDepositsforOtherDebtFacilitiesAmortizedCost	2549000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Interestbearing Depositsfor Other Debt Facilities Fair Value PledgedFinancialInstrumentsNotSeparatelyReportedInterestbearingDepositsforOtherDebtFacilitiesFairValue	2597000	USD
CY2021Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	509996000	USD
CY2021Q3	banr	Held To Maturity Securities Debt Maturities After Twenty Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTwentyYearsFairValue	206865000	USD
CY2021Q3	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	27203000	USD
CY2021Q3	us-gaap	Trading Securities TradingSecurities	26875000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3443516000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3446575000	USD
CY2021Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	447812000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	466002000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securitiesfor Stateand Local Government Public Deposits PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesforStateandLocalGovernmentPublicDeposits	202085000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securitiesfor Stateand Local Government Public Deposits Amortized Cost PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesforStateandLocalGovernmentPublicDepositsAmortizedCost	201456000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securitiesfor Stateand Local Government Public Deposits Fair Value PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesforStateandLocalGovernmentPublicDepositsFairValue	213687000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securitiesfor Interest Rate Swap Counterparties PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesforInterestRateSwapCounterparties	27275000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securities For Interest Rate Swap Counterparties Amortized Cost PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForInterestRateSwapCounterpartiesAmortizedCost	26642000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securities For Interest Rate Swap Counterparties Fair Value PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForInterestRateSwapCounterpartiesFairValue	27402000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securities Amortized Cost PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesAmortizedCost	515715000	USD
CY2021Q3	banr	Pledged Financial Instruments Not Separately Reported Securities Fair Value PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesFairValue	521773000	USD
CY2021Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	447812000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	421807000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	9218384000	USD
CY2021Q3	banr	Loans Receivable Loan Percentage Of Total LoansReceivableLoanPercentageOfTotal	1.000
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	139915000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	9078469000	USD
CY2021Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-12200000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-25600000	USD
CY2021Q3	us-gaap	Receivable With Imputed Interest Discount ReceivableWithImputedInterestDiscount	11500000	USD
CY2020Q4	us-gaap	Receivable With Imputed Interest Discount ReceivableWithImputedInterestDiscount	16100000	USD
CY2021Q3	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	31500000	USD
CY2020Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	36600000	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	5600000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	7900000	USD
CY2021Q3	banr	Financing Receivable Modifications Commitments To Advance Funds FinancingReceivableModificationsCommitmentsToAdvanceFunds	0	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	contract
CY2020Q3	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	0	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2	contract
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	4796000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	4796000	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	USD
CY2021Q3	banr	Collateral Dependent Loans Amortized Cost CollateralDependentLoansAmortizedCost	15797000	USD
CY2020Q4	banr	Collateral Dependent Loans Amortized Cost CollateralDependentLoansAmortizedCost	19609000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	9218384000	USD
CY2021Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	15784000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	24039000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	4822000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	9870982000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	19586000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	32560000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	3054000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	148009000	USD
CY2021Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-8850000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1416000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	660000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	139915000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	167279000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-24985000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	3521000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	5900000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	139915000	USD
CY2021Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-8900000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-25000000	USD
CY2020Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	156352000	USD
CY2020Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	13641000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	445000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2473000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	167965000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	100559000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	64878000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	3453000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	8737000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	167965000	USD
CY2021Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	763000	USD
CY2020Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	2400000	USD
CY2020Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	816000	USD
CY2019Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	814000	USD
CY2021Q3	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	89000	USD
CY2020Q3	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	0	USD
	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	512000	USD
	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	1588000	USD
CY2021Q3	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	707000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	783000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	805000	USD
CY2021Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
CY2020Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-120000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-307000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-216000	USD
CY2021Q3	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	0	USD
CY2020Q3	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	-18000	USD
	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	0	USD
	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	-18000	USD
CY2021Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	852000	USD
CY2020Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	1795000	USD
CY2020Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	1795000	USD
CY2020Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	609000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	373121000	USD
CY2019Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	402279000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	915320000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7732000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	373121000	USD
CY2020Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	394547000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4997000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	373121000	USD
CY2021Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	389550000	USD
CY2021Q3	banr	Servicing Assetat Amortized Cost Additions Acquisitions ServicingAssetatAmortizedCostAdditionsAcquisitions	53000	USD
CY2020Q3	banr	Servicing Assetat Amortized Cost Additions Acquisitions ServicingAssetatAmortizedCostAdditionsAcquisitions	40000	USD
	banr	Servicing Assetat Amortized Cost Additions Acquisitions ServicingAssetatAmortizedCostAdditionsAcquisitions	121000	USD
	banr	Servicing Assetat Amortized Cost Additions Acquisitions ServicingAssetatAmortizedCostAdditionsAcquisitions	141000	USD
CY2021Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	6400864000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	5492924000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1799657000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1569435000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	2773995000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	2398482000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	2339107000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	2191135000	USD
CY2021Q3	banr	Deposits Domestic Transaction And Saving Accounts DepositsDomesticTransactionAndSavingAccounts	6912759000	USD
CY2020Q4	banr	Deposits Domestic Transaction And Saving Accounts DepositsDomesticTransactionAndSavingAccounts	6159052000	USD
CY2021Q3	banr	Time Deposits250000orless TimeDeposits250000orless	663592000	USD
CY2020Q4	banr	Time Deposits250000orless TimeDeposits250000orless	718256000	USD
CY2021Q3	banr	Time Deposits Morethan250000 TimeDepositsMorethan250000	187462000	USD
CY2020Q4	banr	Time Deposits Morethan250000 TimeDepositsMorethan250000	197064000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	851054000	USD
CY2021Q3	us-gaap	Deposits Domestic DepositsDomestic	14164677000	USD
CY2020Q4	us-gaap	Deposits Domestic DepositsDomestic	12567296000	USD
CY2021Q3	banr	Deposits Domestic Public Fund Transaction DepositsDomesticPublicFundTransaction	354821000	USD
CY2020Q4	banr	Deposits Domestic Public Fund Transaction DepositsDomesticPublicFundTransaction	302875000	USD
CY2021Q3	banr	Interest Bearing Domestic Deposit Public Fund Certificates InterestBearingDomesticDepositPublicFundCertificates	40851000	USD
CY2020Q4	banr	Interest Bearing Domestic Deposit Public Fund Certificates InterestBearingDomesticDepositPublicFundCertificates	59127000	USD
CY2021Q3	banr	Deposits Domestic Public Deposits DepositsDomesticPublicDeposits	395672000	USD
CY2020Q4	banr	Deposits Domestic Public Deposits DepositsDomesticPublicDeposits	362002000	USD
CY2021Q3	banr	Business Combination Acquired Deposits Time Deposit Premium BusinessCombinationAcquiredDepositsTimeDepositPremium	2000	USD
CY2020Q4	banr	Business Combination Acquired Deposits Time Deposit Premium BusinessCombinationAcquiredDepositsTimeDepositPremium	58000	USD
CY2021Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	191500000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	203600000	USD
CY2021Q3	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	644909000	USD
CY2021Q3	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year One TimeDepositsWeightedAverageInterestRateMaturitiesYearOne	0.0049
CY2021Q3	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	130384000	USD
CY2021Q3	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Two TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo	0.0080
CY2021Q3	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	52948000	USD
CY2021Q3	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Three TimeDepositsWeightedAverageInterestRateMaturitiesYearThree	0.0078
CY2021Q3	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	11044000	USD
CY2021Q3	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Four TimeDepositsWeightedAverageInterestRateMaturitiesYearFour	0.0127
CY2021Q3	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	10261000	USD
CY2021Q3	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Five TimeDepositsWeightedAverageInterestRateMaturitiesYearFive	0.0042
CY2021Q3	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	1508000	USD
CY2021Q3	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Greater Than Five Years TimeDepositsWeightedAverageInterestRateMaturitiesGreaterThanFiveYears	0.0088
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	851054000	USD
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Time Deposits WeightedAverageRateDomesticDepositTimeDeposits	0.0057
CY2021Q3	us-gaap	Subordinated Debt SubordinatedDebt	98472000	USD
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	98201000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	450000	USD
CY2021Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	47783000	USD
CY2020Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	33528000	USD
CY2021Q3	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	22915000	USD
CY2020Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	18306000	USD
CY2021Q3	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1114000	USD
CY2020Q3	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	981000	USD
	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	3341000	USD
	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	2943000	USD
CY2021Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	915000	USD
CY2020Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	849000	USD
	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2745000	USD
	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2507000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	49884000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	36548000	USD
	us-gaap	Net Income Loss NetIncomeLoss	151121000	USD
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	295314	shares
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	239204	shares
	us-gaap	Net Income Loss NetIncomeLoss	76971000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34446510	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35193109	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34716914	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35285567	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	222982	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	123570	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34669492	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35316679	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35012228	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35524771	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.45
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.18
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.32
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.17
CY2021Q3	banr	Reservefor Unfunded Loan Commitments ReserveforUnfundedLoanCommitments	10100000	USD
CY2020Q4	banr	Reservefor Unfunded Loan Commitments ReserveforUnfundedLoanCommitments	13300000	USD
	banr	Mortgage Loan Applications Day Interest Rate Is Locked MortgageLoanApplicationsDayInterestRateIsLocked	P45D
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	15550000	USD
CY2021Q3	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	0	USD
CY2021Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	29200000	USD
CY2020Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	48600000	USD
CY2021Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	50800000	USD
CY2020Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	47100000	USD
CY2021Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	10300000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	25627000	USD
CY2021Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	25627000	USD
CY2021Q3	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	USD
CY2021Q3	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	25627000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	15550000	USD
CY2021Q3	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	12446000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	3104000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	39066000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	39066000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	39066000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	22336000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	22336000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	0	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	22220000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	116000	USD
CY2021Q3	banr	Debit And Credit Card Interchange Fees DebitAndCreditCardInterchangeFees	6032000	USD
CY2020Q3	banr	Debit And Credit Card Interchange Fees DebitAndCreditCardInterchangeFees	5207000	USD
	banr	Debit And Credit Card Interchange Fees DebitAndCreditCardInterchangeFees	17265000	USD
	banr	Debit And Credit Card Interchange Fees DebitAndCreditCardInterchangeFees	14762000	USD
CY2021Q3	banr	Debitand Credit Card Expense DebitandCreditCardExpense	2655000	USD
CY2020Q3	banr	Debitand Credit Card Expense DebitandCreditCardExpense	2134000	USD
	banr	Debitand Credit Card Expense DebitandCreditCardExpense	-7819000	USD
	banr	Debitand Credit Card Expense DebitandCreditCardExpense	-6272000	USD
CY2021Q3	banr	Merchant Services Expenses MerchantServicesExpenses	3439000	USD
CY2020Q3	banr	Merchant Services Expenses MerchantServicesExpenses	2839000	USD
	banr	Merchant Services Expenses MerchantServicesExpenses	-8964000	USD
	banr	Merchant Services Expenses MerchantServicesExpenses	-7378000	USD
CY2021Q3	banr	Other Service Charges OtherServiceCharges	1152000	USD
CY2020Q3	banr	Other Service Charges OtherServiceCharges	1020000	USD
	banr	Other Service Charges OtherServiceCharges	3801000	USD
	banr	Other Service Charges OtherServiceCharges	3458000	USD
CY2021Q3	banr	Total Deposit Feesand Other Service Charges TotalDepositFeesandOtherServiceCharges	10457000	USD
CY2020Q3	banr	Total Deposit Feesand Other Service Charges TotalDepositFeesandOtherServiceCharges	8742000	USD
	banr	Total Deposit Feesand Other Service Charges TotalDepositFeesandOtherServiceCharges	29154000	USD
	banr	Total Deposit Feesand Other Service Charges TotalDepositFeesandOtherServiceCharges	26091000	USD

Files In Submission

Name	View Source	Status
0000946673-21-000016-index-headers.html	Edgar Link	pending
0000946673-21-000016-index.html	Edgar Link	pending
0000946673-21-000016.txt	Edgar Link	pending
0000946673-21-000016-xbrl.zip	Edgar Link	pending
banr-09302021xex10jcicplan.htm	Edgar Link	pending
banr-09302021xex311.htm	Edgar Link	pending
banr-09302021xex312.htm	Edgar Link	pending
banr-09302021xex32.htm	Edgar Link	pending
banr-20210930.htm	Edgar Link	pending
banr-20210930.xsd	Edgar Link	pending
banr-20210930_cal.xml	Edgar Link	unprocessable
banr-20210930_def.xml	Edgar Link	unprocessable
banr-20210930_htm.xml	Edgar Link	completed
banr-20210930_lab.xml	Edgar Link	unprocessable
banr-20210930_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
image_0a.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R73.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$BANR
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2021 Q4 Form 10-Q Financial Statement

#000094667321000016 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BANR BANNER CORP Stock $banr

2021 Q4 Form 10-Q Financial Statement

#000094667321000016 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BANR
BANNER CORP Stock $banr