XML 53 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Loans and Allowance for Loan Losses - Schedule of Loans Outstanding by Category (Detail) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013
--- | --- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans held for sale (included above) | $ 9,519 | $ 6,469 | $ 10,367
Total loans | 3,665,908 | 3,387,146 | 3,245,084
Percent | 100.00% | 100.00% | 100.00%
Taxable [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 9,346 | 10,217 | 9,202
Percent | 0.25% | 0.30% | 0.28%
Tax-exempt [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 10,803 | 11,073 | 12,392
Percent | 0.29% | 0.33% | 0.38%
Commercial and industrial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 677,425 | 605,672 | 529,253
Percent | 18.48% | 17.88% | 16.31%
Agriculture [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 102,693 | 111,323 | 94,337
Percent | 2.80% | 3.29% | 2.91%
Construction [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 355,526 | 284,808 | 247,827
Percent | 9.70% | 8.41% | 7.64%
Farmland [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 144,519 | 132,512 | 126,233
Percent | 3.94% | 3.91% | 3.89%
One to four family residences [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 748,228 | 703,903 | 697,927
Percent | 20.41% | 20.78% | 21.51%
Multifamily residential properties [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 60,430 | 60,080 | 48,128
Percent | 1.65% | 1.77% | 1.48%
Commercial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 1,160,079 | 1,097,484 | 1,070,807
Percent | 31.65% | 32.40% | 33.00%
Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 258,745 | 250,588 | 243,799
Percent | 7.06% | 7.40% | 7.51%
Other (not classified above) [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | 27,201 | 22,579 | 19,444
Percent | 0.74% | 0.67% | 0.60%
Oil & gas production & equipment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total loans | $ 110,913 | $ 96,907 | $ 145,735
Percent | 3.03% | 2.86% | 4.49%

X
- Definition Loans Percent + References No definition available. + Details
Name: | banf_LoansPercent
Namespace Prefix: | banf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant