$BANF
BANCFIRST CORP /OK/

2017 Form 10-K Financial Statement

#000156459018004014 Filed on March 01, 2018

View on sec.gov

Income Statement

Concept 2017 2016 Q4 2016 Q3
Revenue $248.1M
YoY Change 13.5%
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 $11.79M $3.000M $2.556M
YoY Change -4.78% -6.25% 2.73%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense $20.93M
YoY Change 41.98%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $136.3M $29.10M $27.21M
YoY Change 26.28% 21.76% 11.42%
Income Tax $49.87M $10.50M $9.232M
% Of Pretax Income 36.58% 36.08% 33.92%
Net Earnings $86.44M $18.62M $17.98M
YoY Change 22.31% 18.39% 15.05%
Net Earnings / Revenue 34.84%
Basic Earnings Per Share $2.72 $0.60 $0.58
Diluted Earnings Per Share $2.65 $0.58 $0.57
COMMON SHARES
Basic Shares Outstanding 31.81M 15.71M 31.26M
Diluted Shares Outstanding 32.57M 31.84M

Balance Sheet

Concept 2017 2016 Q4 2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $2.320B
YoY Change 7.86%
Cash & Equivalents $1.850B $1.706B
Short-Term Investments $469.8M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment $134.1M $126.8M $126.0M
YoY Change 5.76% -0.03% 4.13%
Goodwill $54.04M
YoY Change 0.0%
Intangibles $13.33M
YoY Change -15.07%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $7.253B $7.019B $6.784B
YoY Change 3.34% 4.87% 5.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $29.60M $27.00M $29.00M
YoY Change 8.42% -15.63% -6.45%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt $900.0K $500.0K $4.000M
YoY Change 80.0% 0.0% 0.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $29.60M $27.00M $29.00M
YoY Change 8.42% -15.63% -6.45%
LONG-TERM LIABILITIES
Long-Term Debt $32.00M $32.00M $32.00M
YoY Change 0.0% 0.0% 18.52%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities $32.00M $32.00M $32.00M
YoY Change 0.0% 0.0% 18.52%
TOTAL LIABILITIES
Total Short-Term Liabilities $29.60M $27.00M $29.00M
Total Long-Term Liabilities $32.00M $32.00M $32.00M
Total Liabilities $6.478B $6.308B $6.090B
YoY Change 2.69% 4.48% 5.73%
SHAREHOLDERS EQUITY
Retained Earnings $577.6M
YoY Change 7.87%
Common Stock $133.4M
YoY Change 12.57%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $775.6M $711.1M $693.7M
YoY Change
Total Liabilities & Shareholders Equity $7.253B $7.019B $6.784B
YoY Change 3.34% 4.87% 5.9%

Cashflow Statement

Concept 2017 2016 Q4 2016 Q3
OPERATING ACTIVITIES
Net Income $86.44M $18.62M $17.98M
YoY Change 22.31% 18.39% 15.05%
Depreciation, Depletion And Amortization $11.79M $3.000M $2.556M
YoY Change -4.78% -6.25% 2.73%
Cash From Operating Activities $109.7M $19.70M $28.30M
YoY Change 21.21% 1.03% 1.43%
INVESTING ACTIVITIES
Capital Expenditures $18.01M -$3.000M -$2.800M
YoY Change 66.19% 66.67% -40.43%
Acquisitions
YoY Change
Other Investing Activities -$4.038M -$92.30M $1.700M
YoY Change -57.58% -44.16% -102.32%
Cash From Investing Activities -$349.8M -$95.30M -$1.000M
YoY Change 256.86% -42.93% -98.72%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net $4.844M
YoY Change -161.86%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 147.4M 220.0M 80.90M
YoY Change -43.24% 142.56% -172.23%
NET CHANGE
Cash From Operating Activities 109.7M 19.70M 28.30M
Cash From Investing Activities -349.8M -95.30M -1.000M
Cash From Financing Activities 147.4M 220.0M 80.90M
Net Change In Cash -92.59M 144.4M 108.2M
YoY Change -136.7% -354.23% -166.71%
FREE CASH FLOW
Cash From Operating Activities $109.7M $19.70M $28.30M
Capital Expenditures $18.01M -$3.000M -$2.800M
Free Cash Flow $91.74M $22.70M $31.10M
YoY Change 15.1% 6.57% -4.6%

Facts In Submission

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7236000
CY2017 us-gaap Other Noninterest Expense
OtherNoninterestExpense
36136000
CY2017 us-gaap Noninterest Expense
NoninterestExpense
200392000
CY2017 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
49866000
CY2016 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.27
CY2017 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.65
CY2017 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-10000
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
9000
CY2017 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
84018000
CY2016 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
69241000
CY2017 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
2188000
CY2016 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
4796000
CY2016 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
2904000
CY2016 us-gaap Other Noninterest Expense
OtherNoninterestExpense
32857000
CY2016 us-gaap Noninterest Expense
NoninterestExpense
191404000
CY2017 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.72
CY2016 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.22
CY2017 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-2421000
CY2016 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-1433000
CY2017 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
4654000
CY2017 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
2261000
CY2016 us-gaap Depreciation
Depreciation
10114000
CY2017 us-gaap Allowance For Loan And Lease Loss Recovery Of Bad Debts
AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
1426000
CY2017 us-gaap Allowance For Loan And Lease Losses Writeoffs Net
AllowanceForLoanAndLeaseLossesWriteoffsNet
5539000
CY2015 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
11901000
CY2015 us-gaap Proceeds From Sale Of Loans Held For Sale
ProceedsFromSaleOfLoansHeldForSale
171723000
CY2015 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-1903000
CY2015 us-gaap Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
-105000
CY2015 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.13
CY2016 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-1424000
CY2015 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-327000
CY2015 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
2339000
CY2015 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-2666000
CY2015 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
63504000
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
15000
CY2015 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
3814000
CY2016 us-gaap Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss
AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss
897000
CY2016 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
6000
CY2015 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
1475000
CY2015 banf Foreclosed Real Estate Income Expense Net
ForeclosedRealEstateIncomeExpenseNet
-324000
CY2016 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
903000
CY2015 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
1682000
CY2015 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
3358000
CY2015 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1020000
CY2015 us-gaap Payments To Purchase Loans Held For Sale
PaymentsToPurchaseLoansHeldForSale
174047000
CY2015 us-gaap Other Noninterest Expense
OtherNoninterestExpense
33972000
CY2015 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
991000
CY2015 us-gaap Noninterest Expense
NoninterestExpense
185715000
CY2016 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
107937000
CY2015 us-gaap Share Based Compensation
ShareBasedCompensation
1717000
CY2015 us-gaap Net Income Loss
NetIncomeLoss
66170000
CY2015 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.09
CY2016 us-gaap Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
90541000
CY2015 us-gaap Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
6301000
CY2016Q4 us-gaap Pledged Financial Instruments Not Separately Reported Securities Pledged
PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
439692000
CY2016Q4 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
4365000
CY2016 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
1497000
CY2016 us-gaap Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
69000
CY2016 us-gaap Share Based Compensation
ShareBasedCompensation
1636000
CY2017 us-gaap Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
-1173000
CY2016 us-gaap Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
-5500000
CY2017 us-gaap Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
104525000
CY2015 us-gaap Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
78159000
CY2015 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
4007000
CY2015 us-gaap Increase Decrease In Federal Funds Sold
IncreaseDecreaseInFederalFundsSold
13256000
CY2015 us-gaap Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
1771000
CY2015 us-gaap Payments To Acquire Available For Sale Securities
PaymentsToAcquireAvailableForSaleSecurities
91136000
CY2015 us-gaap Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
2103000
CY2015 us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
55689000
CY2015 us-gaap Proceeds From Sale Of Available For Sale Securities
ProceedsFromSaleOfAvailableForSaleSecurities
10850000
CY2015 us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
243976000
CY2015 us-gaap Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
-265298000
CY2015 us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
-106422000
CY2017Q4 us-gaap Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
911000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
623000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
625000
CY2016Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
42000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
1036000
CY2016Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
1339000
CY2016Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
25821000
CY2016Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
832000
CY2017Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
550000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
55467000
CY2017Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
461999000
CY2015 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
11263000
CY2017 us-gaap Available For Sale Securities Gross Realized Losses
AvailableForSaleSecuritiesGrossRealizedLosses
353000
CY2016Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
216329000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
9000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
112974000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
287058000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
6500000
CY2017 us-gaap Available For Sale Securities Gross Realized Gains
AvailableForSaleSecuritiesGrossRealizedGains
4413000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
6222000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
55813000
CY2017Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
464298000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities Within One Year Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
1034000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
627000
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
633000
CY2016 us-gaap Available For Sale Securities Gross Realized Gains
AvailableForSaleSecuritiesGrossRealizedGains
227000
CY2017 banf Proceeds From Sale Of Other Real Estate Owned And Other Assets
ProceedsFromSaleOfOtherRealEstateOwnedAndOtherAssets
4038000
CY2016 banf Proceeds From Sale Of Other Real Estate Owned And Other Assets
ProceedsFromSaleOfOtherRealEstateOwnedAndOtherAssets
9519000
CY2015 banf Proceeds From Sale Of Other Real Estate Owned And Other Assets
ProceedsFromSaleOfOtherRealEstateOwnedAndOtherAssets
4957000
CY2017 us-gaap Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
-344560000
CY2016 us-gaap Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
-98017000
CY2017 us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
166988000
CY2016 us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
274699000
CY2017 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
400000
CY2015 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-3482000
CY2017 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
4844000
CY2016 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
13354000
CY2015 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
4428000
CY2016 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
5523000
CY2015 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
1654000
CY2017 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
24783000
CY2016 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
22770000
CY2015 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
21449000
CY2017 us-gaap Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
147449000
CY2016 us-gaap Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
259760000
CY2015 us-gaap Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
-128579000
CY2017 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-92586000
CY2016 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
252284000
CY2015 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-315718000
CY2016Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
1850461000
CY2015Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
1598177000
CY2014Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
1913895000
CY2017 us-gaap Interest Paid Net
InterestPaidNet
20563000
CY2016 us-gaap Interest Paid Net
InterestPaidNet
14673000
CY2015 us-gaap Interest Paid Net
InterestPaidNet
12255000
CY2017 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
41058000
CY2016 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
32700000
CY2017Q4 us-gaap Dividends Payable Current And Noncurrent
DividendsPayableCurrentAndNoncurrent
6693000
CY2015Q4 us-gaap Dividends Payable Current And Noncurrent
DividendsPayableCurrentAndNoncurrent
5615000
CY2017 us-gaap Use Of Estimates
UseOfEstimates
<div> <p style="margin-bottom:0pt;margin-top:18pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">Use of Estimates in the Preparation of Financial Statements </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:6pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:4.54%;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States inherently involves the use of estimates and assumptions that affect the amounts reported in the financial statements and the related disclosures. These estimates relate principally to the determination of the allowance for loan losses, income taxes, the fair value of financial instruments and the valuation of intangibles. Such estimates and assumptions may change over time and actual amounts realized may differ from those reported. </p></div>
CY2017 us-gaap Revenue Recognition Services Commissions
RevenueRecognitionServicesCommissions
<div> <p style="margin-bottom:0pt;margin-top:18pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">Insurance Commissions and Fees </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:6pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:4.54%;">Commission revenue is recognized at the later of the billing date or the effective date of the related insurance policies for those accounts billed by the Agency. Commission revenue, for accounts that are directly billed by the insurance company to the insured, is recognized when determinable by the Agency, which is generally when such commissions are received. </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:12pt;text-indent:4.54%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Agency also receives contingent commissions from insurance companies as additional incentive for achieving specified premium volume goals and/or loss experience parameters relating to the insurance placed by the Agency. Contingent commissions from insurance companies are recognized when determinable, which is generally when such commissions are received. </p></div>
CY2017Q4 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
8000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
113225000
CY2017Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
289038000
CY2016 banf Income Tax Reconciliation New Markets Tax Credits
IncomeTaxReconciliationNewMarketsTaxCredits
1254000
CY2015 banf Income Tax Reconciliation New Markets Tax Credits
IncomeTaxReconciliationNewMarketsTaxCredits
1195000
CY2016 banf Income Tax Reconciliation Low Income Housing Tax Credits Net Of Amortization
IncomeTaxReconciliationLowIncomeHousingTaxCreditsNetOfAmortization
1424000
CY2015 banf Income Tax Reconciliation Low Income Housing Tax Credits Net Of Amortization
IncomeTaxReconciliationLowIncomeHousingTaxCreditsNetOfAmortization
1274000
CY2015 us-gaap Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
248000
CY2015 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
861000
CY2017Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
13123000
CY2017Q4 banf Deferred Tax Liabilities Premium On Securities Of Banks Acquired
DeferredTaxLiabilitiesPremiumOnSecuritiesOfBanksAcquired
219000
CY2017Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
3359000
CY2017Q4 banf Deferred Tax Liabilities Basis Difference Related To Tax Credits
DeferredTaxLiabilitiesBasisDifferenceRelatedToTaxCredits
2713000
CY2017Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
4563000
CY2017Q4 us-gaap Deferred Tax Liabilities Leasing Arrangements
DeferredTaxLiabilitiesLeasingArrangements
821000
CY2017 banf Number Of Additional Banking Communities
NumberOfAdditionalBankingCommunities
2
CY2017 banf Period For Sale Of Mortgage Loan From Origination
PeriodForSaleOfMortgageLoanFromOrigination
P30D
CY2017 banf Period Of Default Of Principal Or Interest Upon Loan
PeriodOfDefaultOfPrincipalOrInterestUponLoan
P90D
CY2017Q4 banf Vault Cash And Funds In Bank
VaultCashAndFundsInBank
1639058000
CY2016Q4 banf Vault Cash And Funds In Bank
VaultCashAndFundsInBank
1754956000
CY2017Q4 banf Vault Cash Equivalents Reserves
VaultCashEquivalentsReserves
44485000
CY2016Q4 banf Vault Cash Equivalents Reserves
VaultCashEquivalentsReserves
41968000
CY2017Q4 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
2292000
CY2017Q4 us-gaap Available For Sale Securities
AvailableForSaleSecurities
467703000
CY2016Q4 us-gaap Available For Sale Securities
AvailableForSaleSecurities
465468000
CY2017Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
2303000
CY2016Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
4403000
CY2017Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
13000
CY2017Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
2000
CY2016Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
4000
CY2017Q4 us-gaap Available For Sale Securities Amortized Cost
AvailableForSaleSecuritiesAmortizedCost
470825000
CY2016Q4 us-gaap Available For Sale Securities Amortized Cost
AvailableForSaleSecuritiesAmortizedCost
465315000
CY2016Q4 us-gaap Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
2324000
CY2017Q4 us-gaap Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
4033000
CY2016Q4 us-gaap Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
2171000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
1561000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
1937000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
707000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
160000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
66542000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
320150000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
5830000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
66199000
CY2016Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
458721000
CY2017Q4 banf Available For Sale Other Securities Amortized Cost Basis
AvailableForSaleOtherSecuritiesAmortizedCostBasis
6527000
CY2016Q4 banf Available For Sale Other Securities Amortized Cost Basis
AvailableForSaleOtherSecuritiesAmortizedCostBasis
6594000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities Within One Year Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
1568000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
1951000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
723000
CY2016Q4 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
161000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
66662000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
319839000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
6152000
CY2016Q4 us-gaap Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
66246000
CY2016Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
458899000
CY2017Q4 banf Available For Sale Securities Other Securities
AvailableForSaleSecuritiesOtherSecurities
5704000
CY2016Q4 banf Available For Sale Securities Other Securities
AvailableForSaleSecuritiesOtherSecurities
6569000
CY2015 us-gaap Available For Sale Securities Gross Realized Gains
AvailableForSaleSecuritiesGrossRealizedGains
9394000
CY2016 us-gaap Available For Sale Securities Gross Realized Losses
AvailableForSaleSecuritiesGrossRealizedLosses
286000
CY2015 us-gaap Available For Sale Securities Gross Realized Losses
AvailableForSaleSecuritiesGrossRealizedLosses
125000
CY2017Q4 us-gaap Pledged Financial Instruments Not Separately Reported Securities Pledged
PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
440069000
CY2017Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
309602000
CY2016Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
190508000
CY2017Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
2669000
CY2017Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
103780000
CY2017Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
1364000
CY2017Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
413382000
CY2017Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
4033000
CY2016Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
2171000
CY2017Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
65000
CY2016Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
483000
CY2016 us-gaap Heldtomaturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss
HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss
4000
CY2017Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
1273625
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
11.87
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
5.96
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
8389000
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
12230000
CY2017 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
301000
CY2016 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
633000
CY2017 us-gaap Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
879000
CY2016 us-gaap Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
1003000
CY2017Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
485000
CY2016Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
9000
CY2017 us-gaap Heldtomaturity Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Loss
HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLoss
2000
CY2016Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
492000
CY2017 us-gaap Heldtomaturity Securities Continuous Unrealized Loss Position Aggregate Loss
HeldtomaturitySecuritiesContinuousUnrealizedLossPositionAggregateLoss
2000
CY2016 us-gaap Heldtomaturity Securities Continuous Unrealized Loss Position Aggregate Loss
HeldtomaturitySecuritiesContinuousUnrealizedLossPositionAggregateLoss
4000
CY2017Q4 banf Percentage Of Loans Outstanding By Category
PercentageOfLoansOutstandingByCategory
1.0000
CY2016Q4 banf Percentage Of Loans Outstanding By Category
PercentageOfLoansOutstandingByCategory
1.0000
CY2017Q4 banf Percentage Of Loans Secured By Real Estate
PercentageOfLoansSecuredByRealEstate
0.64
CY2017Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
2893000
CY2016Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
1962000
CY2017Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
31943000
CY2016Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
31798000
CY2017Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
4720000
CY2016Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
1713000
CY2017Q4 banf Financing Receivable Recorded Investment Nonperforming And Restructured Loans
FinancingReceivableRecordedInvestmentNonperformingAndRestructuredLoans
39556000
CY2016Q4 banf Financing Receivable Recorded Investment Nonperforming And Restructured Loans
FinancingReceivableRecordedInvestmentNonperformingAndRestructuredLoans
35473000
CY2017Q4 us-gaap Other Real Estate And Foreclosed Assets
OtherRealEstateAndForeclosedAssets
4424000
CY2016Q4 us-gaap Other Real Estate And Foreclosed Assets
OtherRealEstateAndForeclosedAssets
3866000
CY2017Q4 banf Financing Receivable Recorded Investment Nonperforming And Restructured Assets
FinancingReceivableRecordedInvestmentNonperformingAndRestructuredAssets
43980000
CY2016Q4 banf Financing Receivable Recorded Investment Nonperforming And Restructured Assets
FinancingReceivableRecordedInvestmentNonperformingAndRestructuredAssets
39339000
CY2017 us-gaap Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans
LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
1800000
CY2016 us-gaap Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans
LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
2000000
CY2015 us-gaap Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans
LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
2000000
CY2017Q4 us-gaap Financing Receivable Recorded Investment Past Due
FinancingReceivableRecordedInvestmentPastDue
28719000
CY2016Q4 us-gaap Financing Receivable Recorded Investment Past Due
FinancingReceivableRecordedInvestmentPastDue
35200000
CY2017Q4 us-gaap Financing Receivable Recorded Investment Current
FinancingReceivableRecordedInvestmentCurrent
4693276000
CY2016Q4 us-gaap Financing Receivable Recorded Investment Current
FinancingReceivableRecordedInvestmentCurrent
4365032000
CY2017 us-gaap Impaired Financing Receivable With Related Allowance Interest Income Accrual Method
ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
2300000
CY2016 us-gaap Impaired Financing Receivable With Related Allowance Interest Income Accrual Method
ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
0
CY2017Q4 us-gaap Impaired Financing Receivable Unpaid Principal Balance
ImpairedFinancingReceivableUnpaidPrincipalBalance
49391000
CY2016Q4 us-gaap Impaired Financing Receivable Unpaid Principal Balance
ImpairedFinancingReceivableUnpaidPrincipalBalance
47665000
CY2017Q4 us-gaap Impaired Financing Receivable Recorded Investment
ImpairedFinancingReceivableRecordedInvestment
39688000
CY2016Q4 us-gaap Impaired Financing Receivable Recorded Investment
ImpairedFinancingReceivableRecordedInvestment
35709000
CY2017Q4 us-gaap Impaired Financing Receivable Related Allowance
ImpairedFinancingReceivableRelatedAllowance
5647000
CY2016Q4 us-gaap Impaired Financing Receivable Related Allowance
ImpairedFinancingReceivableRelatedAllowance
5797000
CY2017 us-gaap Impaired Financing Receivable Average Recorded Investment
ImpairedFinancingReceivableAverageRecordedInvestment
35181000
CY2016 us-gaap Impaired Financing Receivable Average Recorded Investment
ImpairedFinancingReceivableAverageRecordedInvestment
35105000
CY2017 us-gaap Allowance For Loan And Lease Losses Write Offs
AllowanceForLoanAndLeaseLossesWriteOffs
6965000
CY2015Q4 us-gaap Loans And Leases Receivable Allowance
LoansAndLeasesReceivableAllowance
41666000
CY2016 us-gaap Allowance For Loan And Lease Losses Write Offs
AllowanceForLoanAndLeaseLossesWriteOffs
4907000
CY2016 us-gaap Allowance For Loan And Lease Loss Recovery Of Bad Debts
AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
415000
CY2016 us-gaap Allowance For Loan And Lease Losses Writeoffs Net
AllowanceForLoanAndLeaseLossesWriteoffsNet
4492000
CY2017Q4 us-gaap Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1
FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
9876000
CY2017Q4 us-gaap Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment
FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
41790000
CY2016Q4 us-gaap Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1
FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
10519000
CY2016Q4 us-gaap Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment
FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
38174000
CY2017Q4 us-gaap Financing Receivable Individually Evaluated For Impairment
FinancingReceivableIndividuallyEvaluatedForImpairment
104623000
CY2017Q4 us-gaap Financing Receivable Collectively Evaluated For Impairment
FinancingReceivableCollectivelyEvaluatedForImpairment
4611915000
CY2016Q4 us-gaap Financing Receivable Individually Evaluated For Impairment
FinancingReceivableIndividuallyEvaluatedForImpairment
102663000
CY2016Q4 us-gaap Financing Receivable Collectively Evaluated For Impairment
FinancingReceivableCollectivelyEvaluatedForImpairment
4291625000
CY2017 us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
2889000
CY2016 us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
2553000
CY2015 us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
2139000
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
0.0146
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
0.0202
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.0200
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.0200
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
0.2257
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
0.2041
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
0.2418
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
0.2178
CY2017 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P10Y
CY2016 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P10Y
CY2017 banf Aggregate Contribution By Employer
AggregateContributionByEmployer
4874000
CY2017Q4 us-gaap Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
300000
CY2017 banf Transfer To Repossessed Assets
TransferToRepossessedAssets
1242000
CY2016 banf Transfer To Repossessed Assets
TransferToRepossessedAssets
1402000
CY2015 banf Transfer To Repossessed Assets
TransferToRepossessedAssets
1098000
CY2017 us-gaap Fair Value Of Assets Acquired
FairValueOfAssetsAcquired
4131000
CY2016 us-gaap Fair Value Of Assets Acquired
FairValueOfAssetsAcquired
3955000
CY2015 us-gaap Fair Value Of Assets Acquired
FairValueOfAssetsAcquired
3237000
CY2016Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
27486000
CY2015Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
37577000
CY2014Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
25019000
CY2017 us-gaap Loans And Leases Receivable Related Parties Additions
LoansAndLeasesReceivableRelatedPartiesAdditions
7350000
CY2016 us-gaap Loans And Leases Receivable Related Parties Additions
LoansAndLeasesReceivableRelatedPartiesAdditions
16133000
CY2015 us-gaap Loans And Leases Receivable Related Parties Additions
LoansAndLeasesReceivableRelatedPartiesAdditions
22330000
CY2017 us-gaap Loans And Leases Receivable Related Parties Proceeds
LoansAndLeasesReceivableRelatedPartiesProceeds
10835000
CY2016 us-gaap Loans And Leases Receivable Related Parties Proceeds
LoansAndLeasesReceivableRelatedPartiesProceeds
26224000
CY2015 us-gaap Loans And Leases Receivable Related Parties Proceeds
LoansAndLeasesReceivableRelatedPartiesProceeds
9772000
CY2017Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
24001000
CY2017Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
115711000
CY2016Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
108864000
CY2017 banf Percentage Of Equity Investment
PercentageOfEquityInvestment
0.50
CY2017Q4 us-gaap Amortization Method Qualified Affordable Housing Project Investments
AmortizationMethodQualifiedAffordableHousingProjectInvestments
16900000
CY2016Q4 us-gaap Amortization Method Qualified Affordable Housing Project Investments
AmortizationMethodQualifiedAffordableHousingProjectInvestments
15200000
CY2017 us-gaap Affordable Housing Tax Credits And Other Tax Benefits Amount
AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount
4400000
CY2016 us-gaap Affordable Housing Tax Credits And Other Tax Benefits Amount
AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount
4200000
CY2015 us-gaap Affordable Housing Tax Credits And Other Tax Benefits Amount
AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount
4000000
CY2017 us-gaap Amortization Method Qualified Affordable Housing Project Investments Amortization
AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization
3500000
CY2016 us-gaap Amortization Method Qualified Affordable Housing Project Investments Amortization
AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization
2900000
CY2015 us-gaap Amortization Method Qualified Affordable Housing Project Investments Amortization
AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization
2600000
CY2017Q4 us-gaap Qualified Affordable Housing Project Investments Commitment
QualifiedAffordableHousingProjectInvestmentsCommitment
15300000
CY2017Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
23585000
CY2016Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
23619000
CY2017Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
12503000
CY2016Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
10289000
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2208000
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2208000
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2096000
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
1265000
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
950000
CY2017 us-gaap Finite Lived Intangible Asset Useful Life
FiniteLivedIntangibleAssetUsefulLife
P5Y10M24D
CY2015Q4 us-gaap Goodwill
Goodwill
54042000
CY2017Q4 us-gaap Time Deposit Maturities Year One
TimeDepositMaturitiesYearOne
412312000
CY2017Q4 us-gaap Time Deposit Maturities Year Two
TimeDepositMaturitiesYearTwo
115711000
CY2017Q4 us-gaap Time Deposit Maturities Year Three
TimeDepositMaturitiesYearThree
49748000
CY2017Q4 us-gaap Time Deposit Maturities Year Four
TimeDepositMaturitiesYearFour
41831000
CY2017Q4 us-gaap Time Deposit Maturities Year Five
TimeDepositMaturitiesYearFive
36101000
CY2017Q4 us-gaap Time Deposit Maturities After Year Five
TimeDepositMaturitiesAfterYearFive
110000
CY2017Q4 us-gaap Time Deposits
TimeDeposits
655813000
CY2017Q4 us-gaap Time Deposits100000 Or More
TimeDeposits100000OrMore
319811000
CY2016Q4 us-gaap Time Deposits100000 Or More
TimeDeposits100000OrMore
328363000
CY2017Q4 us-gaap Time Deposits At Or Above Fdic Insurance Limit
TimeDepositsAtOrAboveFDICInsuranceLimit
122391000
CY2016Q4 us-gaap Time Deposits At Or Above Fdic Insurance Limit
TimeDepositsAtOrAboveFDICInsuranceLimit
122211000
CY2017Q4 us-gaap Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
0.0097
CY2016Q4 us-gaap Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
0.0038
CY2017Q4 us-gaap Line Of Credit Facility Maximum Borrowing Capacity
LineOfCreditFacilityMaximumBorrowingCapacity
551200000
CY2017Q4 us-gaap Federal Home Loan Bank Stock
FederalHomeLoanBankStock
552300
CY2017Q4 us-gaap Line Of Credit Facility Fair Value Of Amount Outstanding
LineOfCreditFacilityFairValueOfAmountOutstanding
0
CY2017 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
39569000
CY2016 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
34003000
CY2015 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
32348000
CY2017 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
5914000
CY2016 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
5308000
CY2015 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
4595000
CY2017 banf Income Tax Expense Benefit On Securities Transaction
IncomeTaxExpenseBenefitOnSecuritiesTransaction
1.4
CY2016 banf Income Tax Expense Benefit On Securities Transaction
IncomeTaxExpenseBenefitOnSecuritiesTransaction
-21000
CY2015 banf Income Tax Expense Benefit On Securities Transaction
IncomeTaxExpenseBenefitOnSecuritiesTransaction
3200000
CY2017 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
47708000
CY2016 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
37778000
CY2015 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
35424000
CY2017 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
829000
CY2016 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
756000
CY2015 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
663000
CY2017 banf Income Tax Reconciliation Modified Endowment Life Contracts Tax Benefit
IncomeTaxReconciliationModifiedEndowmentLifeContractsTaxBenefit
921000
CY2016 banf Income Tax Reconciliation Modified Endowment Life Contracts Tax Benefit
IncomeTaxReconciliationModifiedEndowmentLifeContractsTaxBenefit
852000
CY2015 banf Income Tax Reconciliation Modified Endowment Life Contracts Tax Benefit
IncomeTaxReconciliationModifiedEndowmentLifeContractsTaxBenefit
763000
CY2017 us-gaap Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
-2354000
CY2017 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
3840000
CY2016 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
3250000
CY2015 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
2898000
CY2017 banf Income Tax Reconciliation Write Down Of Deferred Tax Asset
IncomeTaxReconciliationWriteDownOfDeferredTaxAsset
4331000
CY2017 banf Income Tax Reconciliation New Markets Tax Credits
IncomeTaxReconciliationNewMarketsTaxCredits
1151000
CY2017 banf Income Tax Reconciliation Low Income Housing Tax Credits Net Of Amortization
IncomeTaxReconciliationLowIncomeHousingTaxCreditsNetOfAmortization
1589000
CY2016 us-gaap Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
319000
CY2017 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
831000
CY2016 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
840000
CY2017 banf Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit
TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit
4300000
CY2017 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2016 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35
CY2016Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
18748000
CY2017Q4 banf Deferred Tax Assets Unrealized Losses On Securities
DeferredTaxAssetsUnrealizedLossesOnSecurities
739000
CY2017Q4 banf Deferred Tax Assets Write Downs Of Other Real Estate Owned
DeferredTaxAssetsWriteDownsOfOtherRealEstateOwned
473000
CY2016Q4 banf Deferred Tax Assets Write Downs Of Other Real Estate Owned
DeferredTaxAssetsWriteDownsOfOtherRealEstateOwned
769000
CY2017Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
2113000
CY2016Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
3197000
CY2017Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
1351000
CY2016Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
2441000
CY2017Q4 us-gaap Deferred Tax Assets Investment In Subsidiaries
DeferredTaxAssetsInvestmentInSubsidiaries
3758000
CY2016Q4 us-gaap Deferred Tax Assets Investment In Subsidiaries
DeferredTaxAssetsInvestmentInSubsidiaries
4603000
CY2017Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
275000
CY2016Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
666000
CY2017Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
21832000
CY2016Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
30424000
CY2016Q4 banf Deferred Tax Liabilities Unrealized Gains On Securities
DeferredTaxLiabilitiesUnrealizedGainsOnSecurities
59000
CY2016Q4 banf Deferred Tax Liabilities Premium On Securities Of Banks Acquired
DeferredTaxLiabilitiesPremiumOnSecuritiesOfBanksAcquired
453000
CY2016Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
5365000
CY2016Q4 banf Deferred Tax Liabilities Basis Difference Related To Tax Credits
DeferredTaxLiabilitiesBasisDifferenceRelatedToTaxCredits
3435000
CY2016Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
6758000
CY2016Q4 us-gaap Deferred Tax Liabilities Leasing Arrangements
DeferredTaxLiabilitiesLeasingArrangements
1408000
CY2017Q4 us-gaap Deferred Tax Liabilities Prepaid Expenses
DeferredTaxLiabilitiesPrepaidExpenses
887000
CY2017Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
180000
CY2016Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
271000
CY2017Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
12742000
CY2016Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
17749000
CY2017Q4 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
9090000
CY2016Q4 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
12675000
CY2017 us-gaap Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
0
CY2016 us-gaap Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
0
CY2017Q4 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
4412000
CY2017Q4 us-gaap Noninterest Income
NoninterestIncome
32833000
CY2017Q3 us-gaap Noninterest Income
NoninterestIncome
29169000
CY2017Q4 us-gaap Noninterest Expense
NoninterestExpense
51251000
CY2017Q3 us-gaap Noninterest Expense
NoninterestExpense
50600000
CY2017Q4 us-gaap Net Income Loss
NetIncomeLoss
19497000
CY2017Q3 us-gaap Net Income Loss
NetIncomeLoss
21710000
CY2017Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.61
CY2017Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.68
CY2017Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.59
CY2017Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.67
CY2016Q4 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
51553000
CY2016Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
51431000
CY2016Q4 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
1672000
CY2016Q3 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
2940000
CY2016Q4 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
52000
CY2016Q4 us-gaap Noninterest Income
NoninterestIncome
27431000
CY2016Q4 us-gaap Noninterest Expense
NoninterestExpense
48189000
CY2017 us-gaap Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
3245000
CY2015 us-gaap Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
0
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
1414900
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
121500
CY2017 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
262775
CY2017Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
566625
CY2015Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
2036298
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
60000
CY2016 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
621398
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
60000
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
650400
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
22.46
CY2017 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
48.26
CY2017 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
17.73
CY2017Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
25.90
CY2017Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
20.07
CY2015Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
20.35
CY2016 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
29.04
CY2016 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
15.64
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
27.94
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
18.60
CY2017 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P9Y8M23D
CY2017 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P6Y11M1D
CY2016 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P9Y7M2D
CY2016 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P6Y9M11D
CY2017Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
32165000
CY2017Q4 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
17611000
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
34049000
CY2016Q4 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
18167000
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
5.86
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
4376000
CY2017 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
4660000
CY2016 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
9720000
CY2015 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
3212000
CY2016 us-gaap Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
4731000
CY2015 us-gaap Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
1693000
CY2015 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
664000
CY2015 us-gaap Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
1053000
CY2017Q4 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
3268000
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
0.0215
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
0.0183
CY2017 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
0.0240
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
0.0226
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.0200
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
0.1835
CY2015 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
0.2108
CY2015 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P10Y
CY2017 banf Board Fees Deferred Percentage For Credit To Stock Units
BoardFeesDeferredPercentageForCreditToStockUnits
1.00
CY2017Q4 banf Deferred Compensation Arrangement With Individual Accumulated Stock Units For Deferred Board Fees
DeferredCompensationArrangementWithIndividualAccumulatedStockUnitsForDeferredBoardFees
138768
CY2016Q4 banf Deferred Compensation Arrangement With Individual Accumulated Stock Units For Deferred Board Fees
DeferredCompensationArrangementWithIndividualAccumulatedStockUnitsForDeferredBoardFees
140044
CY2017Q4 banf Deferred Compensation Arrangement With Individual Stock Average Price
DeferredCompensationArrangementWithIndividualStockAveragePrice
22.84
CY2016Q4 banf Deferred Compensation Arrangement With Individual Stock Average Price
DeferredCompensationArrangementWithIndividualStockAveragePrice
20.87
CY2017 banf Number Of Retirement Plans
NumberOfRetirementPlans
2
CY2016 banf Aggregate Contribution By Employer
AggregateContributionByEmployer
4426000
CY2015 banf Aggregate Contribution By Employer
AggregateContributionByEmployer
3959000
CY2015Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
31194892
CY2016Q4 us-gaap Net Income Loss
NetIncomeLoss
18620000
CY2016Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.60
CY2016Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.58
CY2017 banf Common Stock Dividend Payment Terms
CommonStockDividendPaymentTerms
As declared
CY2017 us-gaap Common Stock Voting Rights
CommonStockVotingRights
Voting
CY2016Q4 us-gaap Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
300000
CY2016 us-gaap Stock Redeemed Or Called During Period Shares
StockRedeemedOrCalledDuringPeriodShares
200000
CY2015 us-gaap Stock Redeemed Or Called During Period Shares
StockRedeemedOrCalledDuringPeriodShares
56894
CY2016 us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
27.62
CY2015 us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
29.10
CY2015Q4 us-gaap Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
332552
CY2017 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
86439000
CY2017 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
86439000
CY2016 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
70674000
CY2016 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
70674000
CY2015 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
66170000
CY2015 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
66170000
CY2017 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
31813572
CY2017 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
754533
CY2017 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
32568105
CY2016 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
31230340
CY2016 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
592184
CY2016 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
31822524
CY2015 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
31118118
CY2015 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
654372
CY2015 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
31772490
CY2017 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
55337
CY2016 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
294438
CY2015 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
355436
CY2017 banf Average Exercise Prices Of Options Excluded From Computation Of Diluted Net Income Per Common Share
AverageExercisePricesOfOptionsExcludedFromComputationOfDilutedNetIncomePerCommonShare
46.86
CY2016 banf Average Exercise Prices Of Options Excluded From Computation Of Diluted Net Income Per Common Share
AverageExercisePricesOfOptionsExcludedFromComputationOfDilutedNetIncomePerCommonShare
30.25
CY2015 banf Average Exercise Prices Of Options Excluded From Computation Of Diluted Net Income Per Common Share
AverageExercisePricesOfOptionsExcludedFromComputationOfDilutedNetIncomePerCommonShare
29.24
CY2017Q4 banf Unfunded Loan Commitments
UnfundedLoanCommitments
1050686000
CY2016Q4 banf Unfunded Loan Commitments
UnfundedLoanCommitments
981777000
CY2017Q4 banf Standby Letters Of Credit
StandbyLettersOfCredit
57074000
CY2016Q4 banf Standby Letters Of Credit
StandbyLettersOfCredit
56551000
CY2017Q4 banf Number Of Leased Parcels Of Land
NumberOfLeasedParcelsOfLand
2
CY2017Q4 banf Number Of Leased Atm Locations
NumberOfLeasedATMLocations
20
CY2017Q4 banf Number Of Storage Facilities
NumberOfStorageFacilities
2
CY2017Q4 banf Number Of Parking Lots
NumberOfParkingLots
4
CY2017 banf Number Of Leased Buildings
NumberOfLeasedBuildings
13
CY2017 banf Lease Expiry Period Maximum
LeaseExpiryPeriodMaximum
2064
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
1143000
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
1030000
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
774000
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
554000
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
369000
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
573000
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
4443000
CY2017 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
1597000
CY2016 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
1524000
CY2015 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
1360000
CY2017Q4 us-gaap Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
295000
CY2017Q4 us-gaap Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
261000
CY2016Q4 us-gaap Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
1569000
CY2016Q4 us-gaap Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
1306000
CY2016Q4 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
21385000
CY2015Q4 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
21124000
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
1668000
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
1096000
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
722000
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
191000
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
5412000
CY2017Q2 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
-330000
CY2017Q2 us-gaap Noninterest Income
NoninterestIncome
27983000
CY2017Q1 us-gaap Noninterest Income
NoninterestIncome
28085000
CY2017Q2 us-gaap Noninterest Expense
NoninterestExpense
48953000
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
429000
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
4060000
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
-111000
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
-808000
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
-104000
CY2017Q4 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
20171000
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
0
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
0
CY2017Q4 us-gaap Commitments Fair Value Disclosure
CommitmentsFairValueDisclosure
1839000
CY2016Q4 us-gaap Commitments Fair Value Disclosure
CommitmentsFairValueDisclosure
1718000
CY2017Q4 banf Letters Of Credit Fair Value Disclosure
LettersOfCreditFairValueDisclosure
428000
CY2016Q4 banf Letters Of Credit Fair Value Disclosure
LettersOfCreditFairValueDisclosure
424000
CY2017 banf Non Financial Assets Liabilities Value
NonFinancialAssetsLiabilitiesValue
0
CY2016 banf Non Financial Assets Liabilities Value
NonFinancialAssetsLiabilitiesValue
0
CY2017 banf Non Financial Assets Liabilities For Which No Impairment Provided
NonFinancialAssetsLiabilitiesForWhichNoImpairmentProvided
0
CY2016 banf Non Financial Assets Liabilities For Which No Impairment Provided
NonFinancialAssetsLiabilitiesForWhichNoImpairmentProvided
0
CY2017 us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
9000
CY2016 us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
32000
CY2015 us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
341000
CY2017 banf Profit Share Percentage
ProfitSharePercentage
0.35
CY2017 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
4
CY2017 banf Noninterest Expense Excluding Depreciation And Amortization
NoninterestExpenseExcludingDepreciationAndAmortization
188601000
CY2016 banf Noninterest Expense Excluding Depreciation And Amortization
NoninterestExpenseExcludingDepreciationAndAmortization
179021000
CY2015 banf Noninterest Expense Excluding Depreciation And Amortization
NoninterestExpenseExcludingDepreciationAndAmortization
173814000
CY2015Q4 us-gaap Assets
Assets
6692829000
CY2017Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
57233000
CY2017Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
56439000
CY2017Q1 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
54768000
CY2017Q4 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
3323000
CY2017Q3 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
3276000
CY2017Q2 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
1841000
CY2017Q1 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
72000
CY2017Q3 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
-22000
CY2017Q1 us-gaap Noninterest Expense
NoninterestExpense
49588000
CY2017Q2 us-gaap Net Income Loss
NetIncomeLoss
23182000
CY2017Q1 us-gaap Net Income Loss
NetIncomeLoss
22050000
CY2017Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.73
CY2017Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.70
CY2017Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.71
CY2017Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.68
CY2016Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
50868000
CY2016Q1 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
49976000
CY2016Q2 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
2804000
CY2016Q1 us-gaap Provision For Loan And Lease Losses
ProvisionForLoanAndLeaseLosses
4103000
CY2016Q3 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
-146000
CY2016Q2 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
-65000
CY2016Q1 us-gaap Gain Loss On Sale Of Securities Net
GainLossOnSaleOfSecuritiesNet
100000
CY2016Q3 us-gaap Noninterest Income
NoninterestIncome
27927000
CY2016Q2 us-gaap Noninterest Income
NoninterestIncome
26057000
CY2016Q1 us-gaap Noninterest Income
NoninterestIncome
25617000
CY2016Q3 us-gaap Noninterest Expense
NoninterestExpense
49204000
CY2016Q2 us-gaap Noninterest Expense
NoninterestExpense
47720000
CY2016Q1 us-gaap Noninterest Expense
NoninterestExpense
46291000
CY2016Q3 us-gaap Net Income Loss
NetIncomeLoss
17982000
CY2016Q2 us-gaap Net Income Loss
NetIncomeLoss
17493000
CY2016Q1 us-gaap Net Income Loss
NetIncomeLoss
16579000
CY2016Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.58
CY2016Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.56
CY2016Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.53
CY2016Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.57
CY2016Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.55
CY2016Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.52

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