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Stockholders' Equity - Required Capital Amounts and Company's Respective Ratios (Detail) $ in Thousands | Sep. 30, 2024 USD ($)
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Parent Company [Member] |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
Total Capital Amount | $ 1,599,885
Total Capital To Risk Weighted Assets Actual Ratio | 0.1753
Capital Required For Capital Adequacy Amount | $ 729,952
Capital Required For Capital Adequacy to Risk Weighted Assets Ratio | 0.08
Capital With Capital Conservation Buffer Amount | $ 958,062
Capital With Capital Conservation To Risk Based Weighted Assets Buffer Ratio | 0.105
Common Equity Tier 1 Risk Based Capital Amount | $ 1,412,664
Common Equity Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1548
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 410,598
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.045
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 638,708
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.07
Tier 1 Risk Based Capital Amount | $ 1,438,664
Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1577
Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 547,464
Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.06
Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 775,574
Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.085
Tier 1 Capital Amount | $ 1,438,664
Tier 1 Capital To Quarterly Average Assets Ratio | 0.1119
Tier 1 Capital Required For Capital Adequacy Amount | $ 514,059
Tier 1 Capital Required For Capital Adequacy To Quarterly Average Assets Ratio | 0.04
BancFirst [Member] |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
Total Capital Amount | $ 1,232,839
Total Capital To Risk Weighted Assets Actual Ratio | 0.1612
Capital Required For Capital Adequacy Amount | $ 611,761
Capital Required For Capital Adequacy to Risk Weighted Assets Ratio | 0.08
Capital With Capital Conservation Buffer Amount | $ 802,936
Capital With Capital Conservation To Risk Based Weighted Assets Buffer Ratio | 0.105
Capital Required To Be Well Capitalized Amount | $ 764,701
Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.10
Common Equity Tier 1 Risk Based Capital Amount | $ 1,127,513
Common Equity Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1474
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 344,115
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.045
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 535,291
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.07
Common Equity Tier 1 Risk Based Capital Required To Be Well Capitalized Amount | $ 497,056
Common Equity Tier 1 Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.065
Tier 1 Risk Based Capital Amount | $ 1,147,513
Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1501
Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 458,821
Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.06
Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 649,996
Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.085
Tier 1 Risk Based Capital Required To Be Well Capitalized Amount | $ 611,761
Tier 1 Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.08
Tier 1 Capital Amount | $ 1,147,513
Tier 1 Capital To Quarterly Average Assets Ratio | 0.1052
Tier 1 Capital Required For Capital Adequacy Amount | $ 436,513
Tier 1 Capital Required For Capital Adequacy To Quarterly Average Assets Ratio | 0.04
Tier 1 Capital Required To Be Well Capitalized Amount | $ 545,642
Tier 1 Capital Required To Be Well Capitalized To Quarterly Average Assets Ratio | 0.05
Pegasus [Member] |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
Total Capital Amount | $ 149,997
Total Capital To Risk Weighted Assets Actual Ratio | 0.1577
Capital Required For Capital Adequacy Amount | $ 76,071
Capital Required For Capital Adequacy to Risk Weighted Assets Ratio | 0.08
Capital With Capital Conservation Buffer Amount | $ 99,843
Capital With Capital Conservation To Risk Based Weighted Assets Buffer Ratio | 0.105
Capital Required To Be Well Capitalized Amount | $ 95,089
Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.10
Common Equity Tier 1 Risk Based Capital Amount | $ 140,511
Common Equity Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1478
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 42,790
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.045
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 66,562
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.07
Common Equity Tier 1 Risk Based Capital Required To Be Well Capitalized Amount | $ 61,808
Common Equity Tier 1 Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.065
Tier 1 Risk Based Capital Amount | $ 140,511
Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1478
Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 57,053
Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.06
Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 80,826
Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.085
Tier 1 Risk Based Capital Required To Be Well Capitalized Amount | $ 76,071
Tier 1 Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.08
Tier 1 Capital Amount | $ 140,511
Tier 1 Capital To Quarterly Average Assets Ratio | 0.1055
Tier 1 Capital Required For Capital Adequacy Amount | $ 53,263
Tier 1 Capital Required For Capital Adequacy To Quarterly Average Assets Ratio | 0.04
Tier 1 Capital Required To Be Well Capitalized Amount | $ 66,579
Tier 1 Capital Required To Be Well Capitalized To Quarterly Average Assets Ratio | 0.05
Worthington [Member] |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
Total Capital Amount | $ 54,111
Total Capital To Risk Weighted Assets Actual Ratio | 0.1227
Capital Required For Capital Adequacy Amount | $ 35,284
Capital Required For Capital Adequacy to Risk Weighted Assets Ratio | 0.08
Capital With Capital Conservation Buffer Amount | $ 46,310
Capital With Capital Conservation To Risk Based Weighted Assets Buffer Ratio | 0.105
Capital Required To Be Well Capitalized Amount | $ 44,105
Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.10
Common Equity Tier 1 Risk Based Capital Amount | $ 50,016
Common Equity Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1134
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 19,847
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.045
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 30,873
Common Equity Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.07
Common Equity Tier 1 Risk Based Capital Required To Be Well Capitalized Amount | $ 28,668
Common Equity Tier 1 Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.065
Tier 1 Risk Based Capital Amount | $ 50,016
Tier 1 Risk Based Capital To Risk Weighted Assets Ratio | 0.1134
Tier 1 Risk Based Capital Required For Capital Adequacy Amount | $ 26,463
Tier 1 Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Ratio | 0.06
Tier 1 Risk Based Capital With Capital Conservation Buffer Amount | $ 37,489
Tier 1 Risk Based Capital With Capital Conservation Buffer To Risk Weighted Assets Ratio | 0.085
Tier 1 Risk Based Capital Required To Be Well Capitalized Amount | $ 35,284
Tier 1 Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Ratio | 0.08
Tier 1 Capital Amount | $ 50,016
Tier 1 Capital To Quarterly Average Assets Ratio | 0.0859
Tier 1 Capital Required For Capital Adequacy Amount | $ 23,294
Tier 1 Capital Required For Capital Adequacy To Quarterly Average Assets Ratio | 0.04
Tier 1 Capital Required To Be Well Capitalized Amount | $ 29,117
Tier 1 Capital Required To Be Well Capitalized To Quarterly Average Assets Ratio | 0.05

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