XML 48 R22.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Loans and Allowance for Loan Losses (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Receivables [Abstract] |
Schedule of loans outstanding by category |
|  | September 30, 2012 |  |  | December 31, 2011 |  |  | September 30, 2011 |
|  | Amount |  |  | Percent |  |  | Amount |  |  | Percent |  |  | Amount |  |  | Percent |
|  | (Dollars in thousands) |
Commercial and industrial |  | $ | 541,130 |  |  |  | 17.37 | % |  | $ | 547,942 |  |  |  | 18.19 | % |  | $ | 542,189 |  |  |  | 18.17 | %
Oil & gas production & equipment |  |  | 131,642 |  |  |  | 4.22 |  |  |  | 115,786 |  |  |  | 3.84 |  |  |  | 109,272 |  |  |  | 3.66 |
Agriculture |  |  | 83,146 |  |  |  | 2.67 |  |  |  | 86,297 |  |  |  | 2.86 |  |  |  | 73,021 |  |  |  | 2.45 |
State and political subdivisions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Taxable |  |  | 7,786 |  |  |  | 0.25 |  |  |  | 6,939 |  |  |  | 0.23 |  |  |  | 7,079 |  |  |  | 0.24 |
Tax-exempt |  |  | 13,749 |  |  |  | 0.44 |  |  |  | 17,070 |  |  |  | 0.57 |  |  |  | 12,192 |  |  |  | 0.41 |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction |  |  | 211,505 |  |  |  | 6.79 |  |  |  | 207,953 |  |  |  | 6.90 |  |  |  | 258,182 |  |  |  | 8.65 |
Farmland |  |  | 114,043 |  |  |  | 3.66 |  |  |  | 103,923 |  |  |  | 3.45 |  |  |  | 97,041 |  |  |  | 3.25 |
One to four family residences |  |  | 674,457 |  |  |  | 21.64 |  |  |  | 655,134 |  |  |  | 21.74 |  |  |  | 655,007 |  |  |  | 21.95 |
Multifamily residential properties |  |  | 50,659 |  |  |  | 1.63 |  |  |  | 37,734 |  |  |  | 1.25 |  |  |  | 37,173 |  |  |  | 1.24 |
Commercial |  |  | 1,026,097 |  |  |  | 32.93 |  |  |  | 960,074 |  |  |  | 31.86 |  |  |  | 908,207 |  |  |  | 30.43 |
Consumer |  |  | 241,864 |  |  |  | 7.76 |  |  |  | 252,331 |  |  |  | 8.37 |  |  |  | 260,718 |  |  |  | 8.74 |
Other (not classified above) |  |  | 20,018 |  |  |  | 0.64 |  |  |  | 22,315 |  |  |  | 0.74 |  |  |  | 24,033 |  |  |  | 0.81 |
Total loans |  | $ | 3,116,096 |  |  |  | 100.00 | % |  | $ | 3,013,498 |  |  |  | 100.00 | % |  | $ | 2,984,114 |  |  |  | 100.00 | %
Loans held for sale (included above). |  | $ | 15,479 |  |  |  |  |  |  | $ | 12,126 |  |  |  |  |  |  | $ | 13,066 |  |  |  |  |
Summary of nonperforming and restructured assets |
|  | September 30, 2012 |  |  | December 31, 2011 |  |  | September 30, 2011 |
|  | (Dollars in thousands) |
Past due 90 days or more and still accruing |  | $ | 731 |  |  | $ | 798 |  |  | $ | 1,413 |
Nonaccrual |  |  | 22,101 |  |  |  | 21,187 |  |  |  | 24,088 |
Other acquired loans covered by escrow |  |  | — |  |  |  | — |  |  |  | 4,951 |
Restructured |  |  | 17,784 |  |  |  | 1,041 |  |  |  | 1,059 |
Total nonperforming and restructured loans |  |  | 40,616 |  |  |  | 23,026 |  |  |  | 31,511 |
Other real estate owned and repossessed assets |  |  | 9,796 |  |  |  | 16,640 |  |  |  | 16,723 |
Total nonperforming and restructured assets |  | $ | 50,412 |  |  | $ | 39,666 |  |  | $ | 48,234 |
Nonperforming and restructured loans to total loans |  |  | 1.30 | % |  |  | 0.76 | % |  |  | 1.06 | %
Nonperforming and restructured assets to total assets |  |  | 0.86 | % |  |  | 0.71 | % |  |  | 0.88 | %
Summary of amounts included in nonaccrual loans segregated by class of loans |
|  | September 30, 2012 |
|  | (Dollars in thousands) |
Non-residential real estate |  | $ | 9,324 |
Residential real estate |  |  | 4,179 |
Non-consumer non-real estate |  |  | 2,527 |
Consumer non-real estate |  |  | 138 |
Other loans |  |  | 2,221 |
Acquired loans |  |  | 3,712 |
Total |  | $ | 22,101 |
Age analysis of past due loans segregated by class of loans |
|  | Age Analysis of Past Due Receivables |
|  | 30-89 Days Past Due |  |  | 90 Days and Greater |  |  | Total Past Due Loans |  |  | Current Loans |  |  | Total Loans |  |  | Accruing Loans 90 Days or More Past Due |
|  | (Dollars in thousands) |
As of September 30, 2012 |  |  |  |
Non-residential real estate |  | $ | 1,561 |  |  | $ | 2,425 |  |  | $ | 3,986 |  |  | $ | 1,145,584 |  |  | $ | 1,149,570 |  |  | $ | 349 |
Residential real estate |  |  | 3,693 |  |  |  | 1,170 |  |  |  | 4,863 |  |  |  | 732,935 |  |  |  | 737,798 |  |  |  | 98 |
Non-consumer non-real estate |  |  | 4,233 |  |  |  | 135 |  |  |  | 4,368 |  |  |  | 729,538 |  |  |  | 733,906 |  |  |  | 7 |
Consumer non-real estate |  |  | 2,050 |  |  |  | 230 |  |  |  | 2,280 |  |  |  | 205,463 |  |  |  | 207,743 |  |  |  | 170 |
Other loans |  |  | 1,706 |  |  |  | 1,447 |  |  |  | 3,153 |  |  |  | 147,329 |  |  |  | 150,482 |  |  |  | 43 |
Acquired loans |  |  | 1,219 |  |  |  | 1,061 |  |  |  | 2,280 |  |  |  | 134,317 |  |  |  | 136,597 |  |  |  | 64 |
Total |  | $ | 14,462 |  |  | $ | 6,468 |  |  | $ | 20,930 |  |  | $ | 3,095,166 |  |  | $ | 3,116,096 |  |  | $ | 731 |
As of September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-residential real estate |  | $ | 2,269 |  |  | $ | 542 |  |  | $ | 2,811 |  |  | $ | 1,026,738 |  |  | $ | 1,029,549 |  |  | $ | 1 |
Residential real estate |  |  | 4,462 |  |  |  | 1,723 |  |  |  | 6,185 |  |  |  | 689,731 |  |  |  | 695,916 |  |  |  | 225 |
Non-consumer non-real estate |  |  | 2,077 |  |  |  | 374 |  |  |  | 2,451 |  |  |  | 690,059 |  |  |  | 692,510 |  |  |  | 149 |
Consumer non-real estate |  |  | 2,594 |  |  |  | 354 |  |  |  | 2,948 |  |  |  | 198,684 |  |  |  | 201,632 |  |  |  | 310 |
Other loans |  |  | 2,749 |  |  |  | 3,492 |  |  |  | 6,241 |  |  |  | 152,302 |  |  |  | 158,543 |  |  |  | 108 |
Acquired loans |  |  | 1,108 |  |  |  | 1,913 |  |  |  | 3,021 |  |  |  | 202,943 |  |  |  | 205,964 |  |  |  | 620 |
Total |  | $ | 15,259 |  |  | $ | 8,398 |  |  | $ | 23,657 |  |  | $ | 2,960,457 |  |  | $ | 2,984,114 |  |  | $ | 1,413 |
Impaired loans, segregated by class of loans |
|  | Impaired Loans |
|  | Unpaid Principal Balance |  |  | Recorded Investment with Allowance |  |  | Related Allowance |  |  | Average Recorded Investment |
|  | (Dollars in thousands) |
As of September 30, 2012 |  |  |  |
Non-residential real estate |  | $ | 27,593 |  |  | $ | 26,434 |  |  | $ | 1,813 |  |  | $ | 26,733 |
Residential real estate |  |  | 5,664 |  |  |  | 5,136 |  |  |  | 1,374 |  |  |  | 5,333 |
Non-consumer non-real estate |  |  | 3,144 |  |  |  | 2,539 |  |  |  | 677 |  |  |  | 1,745 |
Consumer non-real estate |  |  | 447 |  |  |  | 424 |  |  |  | 77 |  |  |  | 364 |
Other loans |  |  | 2,420 |  |  |  | 2,265 |  |  |  | 264 |  |  |  | 1,975 |
Acquired loans |  |  | 12,872 |  |  |  | 10,684 |  |  |  | 71 |  |  |  | 11,451 |
Total |  | $ | 52,140 |  |  | $ | 47,482 |  |  | $ | 4,276 |  |  | $ | 47,601 |
As of September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-residential real estate |  | $ | 9,285 |  |  | $ | 8 ,671 |  |  | $ | 978 |  |  | $ | 9,835 |
Residential real estate |  |  | 6,520 |  |  |  | 5,871 |  |  |  | 1,520 |  |  |  | 6,351 |
Non-consumer non-real estate |  |  | 1,584 |  |  |  | 1,286 |  |  |  | 358 |  |  |  | 1,676 |
Consumer non-real estate |  |  | 215 |  |  |  | 180 |  |  |  | 47 |  |  |  | 204 |
Other loans |  |  | 3,888 |  |  |  | 3,794 |  |  |  | 342 |  |  |  | 4,296 |
Acquired loans |  |  | 5,609 |  |  |  | 4,286 |  |  |  | 100 |  |  |  | 2,229 |
Total |  | $ | 27,101 |  |  | $ | 24,088 |  |  | $ | 3,345 |  |  | $ | 24,591 |
Internal loan grading by class of loans |
|  | Internal Loan Grading |
|  | Grade |
|  | 1 |  |  | 2 |  |  | 3 |  |  | 4 |  |  | 5 |  |  | Total |
|  | (Dollars in thousands) |
As of September 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-residential real estate |  | $ | 984,606 |  |  | $ | 127,768 |  |  | $ | 27,523 |  |  | $ | 9,673 |  |  | $ | — |  |  | $ | 1,149,570 |
Residential real estate |  |  | 636,564 |  |  |  | 81,970 |  |  |  | 14,667 |  |  |  | 4,597 |  |  |  | — |  |  |  | 737,798 |
Non-consumer non-real estate |  |  | 644,066 |  |  |  | 80,863 |  |  |  | 6,500 |  |  |  | 2,477 |  |  |  | — |  |  |  | 733,906 |
Consumer non-real estate |  |  | 195,242 |  |  |  | 10,185 |  |  |  | 1,965 |  |  |  | 349 |  |  |  | 2 |  |  |  | 207,743 |
Other loans |  |  | 146,037 |  |  |  | 2,726 |  |  |  | 887 |  |  |  | 832 |  |  |  | — |  |  |  | 150,482 |
Acquired loans |  |  | 103,411 |  |  |  | 24,243 |  |  |  | 5,006 |  |  |  | 3,898 |  |  |  | 39 |  |  |  | 136,597 |
Total |  | $ | 2,709,926 |  |  | $ | 327,755 |  |  | $ | 56,548 |  |  | $ | 21,826 |  |  | $ | 41 |  |  | $ | 3,116,096 |
As of September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-residential real estate |  | $ | 881,622 |  |  | $ | 107,228 |  |  | $ | 32,223 |  |  | $ | 8,476 |  |  | $ | — |  |  | $ | 1,029,549 |
Residential real estate |  |  | 602,621 |  |  |  | 72,095 |  |  |  | 14,805 |  |  |  | 6,395 |  |  |  | — |  |  |  | 695,916 |
Non-consumer non-real estate |  |  | 620,123 |  |  |  | 63,375 |  |  |  | 7,881 |  |  |  | 1,131 |  |  |  | — |  |  |  | 692,510 |
Consumer non-real estate |  |  | 189,895 |  |  |  | 8,950 |  |  |  | 2,380 |  |  |  | 407 |  |  |  | — |  |  |  | 201,632 |
Other loans |  |  | 151,336 |  |  |  | 2,608 |  |  |  | 1,874 |  |  |  | 2,725 |  |  |  | — |  |  |  | 158,543 |
Acquired loans |  |  | 151,103 |  |  |  | 35,609 |  |  |  | 8,264 |  |  |  | 10,891 |  |  |  | 97 |  |  |  | 205,964 |
Total |  | $ | 2,596,700 |  |  | $ | 289,865 |  |  | $ | 67,427 |  |  | $ | 30,025 |  |  | $ | 97 |  |  | $ | 2,984,114 |
Activity in ALLL by class of loans |
|  | ALLL |
|  | Non-Residential Real Estate |  |  | Residential Real Estate |  |  | Non- Consumer Non-Real Estate |  |  | Consumer Non-Real Estate |  |  | Other Loans |  |  | Acquired Loans |  |  | Total |
|  | (Dollars in thousands) |
Three Months Ended September 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at June 30, 2012 |  | $ | 14,349 |  |  | $ | 10,006 |  |  | $ | 8,558 |  |  | $ | 2,282 |  |  | $ | 1,854 |  |  | $ | 387 |  |  | $ | 37,436 |
Charge-offs |  |  | (30 | ) |  |  | (157 | ) |  |  | (119 | ) |  |  | (117 | ) |  |  | (24 | ) |  |  | (53 | ) |  |  | (500 | )
Recoveries |  |  | 17 |  |  |  | 9 |  |  |  | 19 |  |  |  | 42 |  |  |  | 2 |  |  |  | — |  |  |  | 89 |
Net charge-offs |  |  | (13 | ) |  |  | (148 | ) |  |  | (100 | ) |  |  | (75 | ) |  |  | (22 | ) |  |  | (53 | ) |  |  | (411 | )
Provisions charged to operations |  |  | (453 | ) |  |  | (137 | ) |  |  | 712 |  |  |  | 162 |  |  |  | 6 |  |  |  | (57 | ) |  |  | 233 |
Balance at September 30, 2012 |  | $ | 13,883 |  |  | $ | 9,721 |  |  | $ | 9,170 |  |  | $ | 2,369 |  |  | $ | 1,838 |  |  | $ | 277 |  |  | $ | 37,258 |
Nine Months Ended September 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2011 |  | $ | 13,948 |  |  | $ | 9,764 |  |  | $ | 9,156 |  |  | $ | 2,315 |  |  | $ | 1,886 |  |  | $ | 587 |  |  | $ | 37,656 |
Charge-offs |  |  | (158 | ) |  |  | (288 | ) |  |  | (449 | ) |  |  | (308 | ) |  |  | (231 | ) |  |  | (129 | ) |  |  | (1,563 | )
Recoveries |  |  | 48 |  |  |  | 118 |  |  |  | 144 |  |  |  | 157 |  |  |  | 33 |  |  |  | 11 |  |  |  | 511 |
Net charge-offs |  |  | (110 | ) |  |  | (170 | ) |  |  | (305 | ) |  |  | (151 | ) |  |  | (198 | ) |  |  | (118 | ) |  |  | (1,052 | )
Provisions charged to operations |  |  | 45 |  |  |  | 127 |  |  |  | 319 |  |  |  | 205 |  |  |  | 150 |  |  |  | (192 | ) |  |  | 654 |
Balance at September 30, 2012 |  | $ | 13,883 |  |  | $ | 9,721 |  |  | $ | 9,170 |  |  | $ | 2,369 |  |  | $ | 1,838 |  |  | $ | 277 |  |  | $ | 37,258 |
Allowance for credit losses-ending balances: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 2,396 |  |  | $ | 2,305 |  |  | $ | 1,692 |  |  | $ | 315 |  |  | $ | 220 |  |  | $ | — |  |  | $ | 6,928 |
Collectively evaluated for impairment |  |  | 11,487 |  |  |  | 7,416 |  |  |  | 7,478 |  |  |  | 2,054 |  |  |  | 1,618 |  |  |  | 277 |  |  |  | 30,330 |
Balance at September 30, 2012 |  | $ | 13,883 |  |  | $ | 9,721 |  |  | $ | 9,170 |  |  | $ | 2,369 |  |  | $ | 1,838 |  |  | $ | 277 |  |  | $ | 37,258 |
Loans-ending balances: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 37,195 |  |  | $ | 19,264 |  |  | $ | 8,976 |  |  | $ | 2,316 |  |  | $ | 264 |  |  | $ | — |  |  | $ | 68,015 |
Collectively evaluated for impairment |  |  | 1,112,375 |  |  |  | 718,534 |  |  |  | 724,930 |  |  |  | 205,427 |  |  |  | 150,218 |  |  |  | 127,654 |  |  |  | 3,039,138 |
Loans acquired with deteriorated credit quality |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 8,943 |  |  |  | 8,943 |
Balance at September 30, 2012 |  | $ | 1,149,570 |  |  | $ | 737,798 |  |  | $ | 733,906 |  |  | $ | 207,743 |  |  | $ | 150,482 |  |  | $ | 136,597 |  |  | $ | 3,116,096 |
|  | ALLL |
|  | Non- Residential Real Estate |  |  | Residential Real Estate |  |  | Non- Consumer Non-Real Estate |  |  | Consumer Non-Real Estate |  |  | Other Loans |  |  | Acquired Loans |  |  | Total |
|  | (Dollars in thousands) |
Three Months Ended September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at June 30, 2011 |  | $ | 13,651 |  |  | $ | 9,380 |  |  | $ | 9,334 |  |  | $ | 2,237 |  |  | $ | 1,712 |  |  | $ | 778 |  |  | $ | 37,092 |
Charge-offs |  |  | (67 | ) |  |  | (21 | ) |  |  | (210 | ) |  |  | (72 | ) |  |  | (121 | ) |  |  | (138 | ) |  |  | (629 | )
Recoveries |  |  | 7 |  |  |  | 20 |  |  |  | 46 |  |  |  | 24 |  |  |  | 2 |  |  |  | 9 |  |  |  | 108 |
Net charge-offs |  |  | (60 | ) |  |  | (1 | ) |  |  | (164 | ) |  |  | (48 | ) |  |  | (119 | ) |  |  | (129 | ) |  |  | (521 | )
Provisions charged to operations |  |  | 290 |  |  |  | 472 |  |  |  | (460 | ) |  |  | 136 |  |  |  | 156 |  |  |  | 291 |  |  |  | 885 |
Balance at September 30, 2011 |  | $ | 13,881 |  |  | $ | 9,851 |  |  | $ | 8,710 |  |  | $ | 2,325 |  |  | $ | 1,749 |  |  | $ | 940 |  |  | $ | 37,456 |
Nine Months Ended September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2010 |  | $ | 13,142 |  |  | $ | 8,957 |  |  | $ | 9,587 |  |  | $ | 2,301 |  |  | $ | 1,758 |  |  | $ | — |  |  | $ | 35,745 |
Charge-offs |  |  | (336 | ) |  |  | (522 | ) |  |  | (394 | ) |  |  | (400 | ) |  |  | (243 | ) |  |  | (469 | ) |  |  | (2,364 | )
Recoveries |  |  | 23 |  |  |  | 115 |  |  |  | 130 |  |  |  | 92 |  |  |  | 9 |  |  |  | 20 |  |  |  | 389 |
Net charge-offs |  |  | (313 | ) |  |  | (407 | ) |  |  | (264 | ) |  |  | (308 | ) |  |  | (234 | ) |  |  | (449 | ) |  |  | (1,975 | )
Provisions charged to operations |  |  | 1,052 |  |  |  | 1,301 |  |  |  | (613 | ) |  |  | 332 |  |  |  | 225 |  |  |  | 1,389 |  |  |  | 3,686 |
Balance at September 30, 2011 |  | $ | 13,881 |  |  | $ | 9,851 |  |  | $ | 8,710 |  |  | $ | 2,325 |  |  | $ | 1,749 |  |  | $ | 940 |  |  | $ | 37,456 |
Allowance for credit losses-ending balances: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 3,351 |  |  | $ | 2,681 |  |  | $ | 1,528 |  |  | $ | 318 |  |  | $ | 232 |  |  | $ | — |  |  | $ | 8,110 |
Collectively evaluated for impairment |  |  | 10,530 |  |  |  | 7,170 |  |  |  | 7,182 |  |  |  | 2,007 |  |  |  | 1,517 |  |  |  | 940 |  |  |  | 29,346 |
Balance at September 30, 2011 |  | $ | 13,881 |  |  | $ | 9,851 |  |  | $ | 8,710 |  |  | $ | 2,325 |  |  | $ | 1,749 |  |  | $ | 940 |  |  | $ | 37,456 |
Loans-ending balances: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 40,700 |  |  | $ | 21,200 |  |  | $ | 9,012 |  |  | $ | 2,787 |  |  | $ | 257 |  |  | $ | — |  |  | $ | 73,956 |
Collectively evaluated for impairment |  |  | 988,849 |  |  |  | 674,716 |  |  |  | 683,498 |  |  |  | 198,845 |  |  |  | 158,286 |  |  |  | 186,712 |  |  |  | 2,890,906 |
Loans acquired with deteriorated credit quality |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 19,252 |  |  |  | 19,252 |
Balance at September 30, 2011 |  | $ | 1,029,549 |  |  | $ | 695,916 |  |  | $ | 692,510 |  |  | $ | 201,632 |  |  | $ | 158,543 |  |  | $ | 205,964 |  |  | $ | 2,984,114 |
Transfers from loans to other real estate owned and repossessed assets |
|  | Nine Months Ended September 30, |
|  | 2012 |  |  | 2011 |
|  | (Dollars in thousands) |
Other real estate owned |  | $ | 1,633 |  |  | $ | 3,831 |
Repossessed assets |  |  | 664 |  |  |  | 1,096 |
Total |  | $ | 2,297 |  |  | $ | 4,927 |

X
- Definition Activity in all by class of loans. + References No definition available. + Details
Name: | banf_ActivityInAlllByClassOfLoansTableTextBlock
Namespace Prefix: | banf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of nonperforming and restructured assets. + References No definition available. + Details
Name: | banf_SummaryOfNonperformingAndRestructuredAssetsTableTextBlock
Namespace Prefix: | banf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953659-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7880640&loc=SL6953803-111525 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of nonaccrual and past due financing receivables (such as loans and trade receivables), including: (a) the recorded investment in loans and trade receivables, if applicable, on nonaccrual status as of each balance sheet date (b) the recorded investment in loans and trade receivables, if applicable, past due 90 days or more and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524 + Details
Name: | us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration