XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Stock-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Activity Under Stock Option Plan | The following table is a summary of the activity under both the Employee Plan and the Non-Employee Directors’ Plan:
|  |  |  |  |  |  |  | Wgtd. Avg. |  |  |
|  |  |  |  | Wgtd. Avg. |  |  | Remaining |  | Aggregate |
|  |  |  |  | Exercise |  |  | Contractual |  | Intrinsic |
|  | Options |  |  | Price |  |  | Term |  | Value |
|  | (Dollars in thousands, except option data) |
Nine Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 1,303,250 |  |  | $ | 40.90 |  |  |  |  |  |
Options granted |  |  | 231,000 |  |  |  | 85.50 |  |  |  |  |  |
Options exercised |  |  | (236,585 | ) |  |  | 27.80 |  |  |  |  |  |
Options canceled, forfeited, or expired |  |  | (30,000 | ) |  |  | 66.31 |  |  |  |  |  |
Outstanding at September 30, 2022 |  |  | 1,267,665 |  |  |  | 50.87 |  |  | 8.23 Yrs |  | $ | 48,933 |
Exercisable at September 30, 2022 |  |  | 467,790 |  |  |  | 30.35 |  |  | 6.93 Yrs |  | $ | 27,654 |
Options Exercised Under Stock Option Plan | The following table has additional information regarding options exercised under both the Employee Plan and the Non-Employee Directors’ Plan:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
|  | (Dollars in thousands) |  |  | (Dollars in thousands) |
Total intrinsic value of options exercised |  | $ | 5,638 |  |  | $ | — |  |  | $ | 14,581 |  |  | $ | 7,860 |
Cash received from options exercised |  |  | 2,285 |  |  |  | — |  |  |  | 6,577 |  |  |  | 4,379 |
Tax benefit realized from options exercised |  |  | 1,355 |  |  |  | — |  |  |  | 3,505 |  |  |  | 2,002 |
Stock-based Employee Compensation Expense | The following table is a summary of the Company’s recorded stock-based compensation expense:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
|  | (Dollars in thousands) |  |  | (Dollars in thousands) |
Stock-based compensation expense |  | $ | 627 |  |  | $ | 555 |  |  | $ | 1,545 |  |  | $ | 1,604 |
Tax benefit |  |  | 151 |  |  |  | 134 |  |  |  | 372 |  |  |  | 386 |
Stock-based compensation expense, net of tax |  | $ | 476 |  |  | $ | 421 |  |  | $ | 1,173 |  |  | $ | 1,218 |
Unearned Stock-based Compensation Expense | The Company will continue to amortize the unearned stock-based compensation expense over the remaining vesting period of approximately seven years. The following table shows the unearned stock-based compensation expense:
|  | September 30, 2022 |
|  | (Dollars in thousands) |
Unearned stock-based compensation expense |  | $ | 12,078 |
Assumptions Used for Computing Stock-Based Compensation Expense | The following table shows the assumptions used for computing stock-based compensation expense under the fair value method on options granted during the periods presented:
|  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |
Weighted average grant-date fair value per share of options granted |  | $ | 30.72 |  |  | $ | 20.92 |
Risk-free interest rate |  | 1.75 to 3.25% |  |  | 1.30 to 1.74% |
Dividend yield |  | 2.00% |  |  | 2.00% |
Stock price volatility |  | 34.61 to 34.85% |  |  | 35.55 to 36.27% |
Expected term |  | 10 Yrs |  |  | 10 Yrs |
Summary of Accumulated Stock Units | A summary of the accumulated stock units is as follows:
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Accumulated stock units |  |  | 142,065 |  |  |  | 152,754 |
Average price |  | $ | 33.77 |  |  | $ | 30.86 |

X
- Definition Summary of accumulated stock under board fees deferred plan. + References No definition available. + Details
Name: | banf_SummaryOfAccumulatedStockUnderBoardFeesDeferredPlanTableTextBlock
Namespace Prefix: | banf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost not yet recognized and weighted-average period over which cost is expected to be recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration