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Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Summary of Shares Repurchased Under Stock Purchase Program | The following table is a summary of the shares purchased under the program during the period indicated and the shares remaining to be repurchased in the program:
|  | For the Nine Months Ended September 30, |
|  | 2023 |  |  | 2022 |
Number of shares repurchased |  |  | 20,702 |  |  |  | — |
Average price of shares repurchased |  | $ | 87.88 |  |  | $ | — |
Shares remaining to be repurchased |  |  | 479,784 |  |  |  | 500,486 |
Required Capital Amounts and Company's Respective Ratios | The actual and required capital amounts and ratios are shown in the following table:
|  |  |  |  |  |  | Required |  |  |  | To Be Well
|  |  |  |  |  |  | For Capital |  | With |  | Capitalized Under
|  |  |  |  |  |  | Adequacy |  | Capital Conservation |  | Prompt Corrective
|  | Actual |  | Purposes |  | Buffer |  | Action Provisions
|  | Amount |  |  | Ratio |  | Amount |  |  | Ratio |  | Amount |  |  | Ratio |  | Amount |  |  | Ratio
|  | (Dollars in thousands)
As of September 30, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(to Risk Weighted Assets)- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BancFirst Corporation |  | $ | 1,430,965 |  |  | 16.90% |  | $ | 677,482 |  |  | 8.00% |  | $ | 889,196 |  |  | 10.50% |  | N/A |  |  | N/A
BancFirst |  |  | 1,189,612 |  |  | 16.36% |  |  | 581,616 |  |  | 8.00% |  |  | 763,371 |  |  | 10.50% |  | $ | 727,020 |  |  | 10.00%
Pegasus |  |  | 143,898 |  |  | 18.16% |  |  | 63,389 |  |  | 8.00% |  |  | 83,199 |  |  | 10.50% |  |  | 79,237 |  |  | 10.00%
Worthington |  |  | 50,731 |  |  | 12.92% |  |  | 31,401 |  |  | 8.00% |  |  | 41,214 |  |  | 10.50% |  |  | 39,251 |  |  | 10.00%
Common Equity Tier 1 Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(to Risk Weighted Assets)- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BancFirst Corporation |  | $ | 1,247,907 |  |  | 14.74% |  | $ | 381,084 |  |  | 4.50% |  | $ | 592,797 |  |  | 7.00% |  | N/A |  |  | N/A
BancFirst |  |  | 1,083,583 |  |  | 14.90% |  |  | 327,159 |  |  | 4.50% |  |  | 508,914 |  |  | 7.00% |  | $ | 472,563 |  |  | 6.50%
Pegasus |  |  | 135,463 |  |  | 17.10% |  |  | 35,657 |  |  | 4.50% |  |  | 55,466 |  |  | 7.00% |  |  | 51,504 |  |  | 6.50%
Worthington |  |  | 46,814 |  |  | 11.93% |  |  | 17,663 |  |  | 4.50% |  |  | 27,476 |  |  | 7.00% |  |  | 25,513 |  |  | 6.50%
Tier 1 Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(to Risk Weighted Assets)- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BancFirst Corporation |  | $ | 1,273,907 |  |  | 15.04% |  | $ | 508,112 |  |  | 6.00% |  | $ | 719,825 |  |  | 8.50% |  | N/A |  |  | N/A
BancFirst |  |  | 1,103,583 |  |  | 15.18% |  |  | 436,212 |  |  | 6.00% |  |  | 617,967 |  |  | 8.50% |  | $ | 581,616 |  |  | 8.00%
Pegasus |  |  | 135,463 |  |  | 17.10% |  |  | 47,542 |  |  | 6.00% |  |  | 67,351 |  |  | 8.50% |  |  | 63,389 |  |  | 8.00%
Worthington |  |  | 46,814 |  |  | 11.93% |  |  | 23,551 |  |  | 6.00% |  |  | 33,363 |  |  | 8.50% |  |  | 31,401 |  |  | 8.00%
Tier 1 Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(to Quarterly Average Assets)- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BancFirst Corporation |  | $ | 1,273,907 |  |  | 10.70% |  | $ | 476,200 |  |  | 4.00% |  | N/A |  |  | N/A |  | N/A |  |  | N/A
BancFirst |  |  | 1,103,583 |  |  | 10.85% |  |  | 406,769 |  |  | 4.00% |  | N/A |  |  | N/A |  | $ | 508,461 |  |  | 5.00%
Pegasus |  |  | 135,463 |  |  | 11.26% |  |  | 48,117 |  |  | 4.00% |  | N/A |  |  | N/A |  |  | 60,146 |  |  | 5.00%
Worthington |  |  | 46,814 |  |  | 8.88% |  |  | 21,086 |  |  | 4.00% |  | N/A |  |  | N/A |  |  | 26,358 |  |  | 5.00%

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