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STOCKHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2024
Equity [Abstract] |
Schedule of Common Stock Outstanding Roll Forward | A roll forward of common stock activity is presented in the following table: Number of Shares of Common Stock
| December 31, 2024 |  | December 31, 2023
| Outstanding |  | Outstanding
| Class A |  | Class B |  | Class A |  | Class B
Common stock - beginning of period | 13,514,933 |  |  | 1,005,185 |  |  | 13,501,017 |  |  | 1,005,185 |
Shares purchased under authorized repurchase plan | (814,641) |  |  | — |  |  | — |  |  | — |
Restricted stock units vested, net of shares held to cover taxes | 12,144 |  |  | — |  |  | 13,916 |  |  | — |
Common stock - end of period | 12,712,436 |  |  | 1,005,185 |  |  | 13,514,933 |  |  | 1,005,185 |
Schedule of Preferred Stock and Depositary Shares | The following table summarizes BancShares’ non-cumulative perpetual preferred stock: Preferred Stock
dollars in millions, except per share and par value data
Preferred Stock |  | Issuance Date |  | Earliest Redemption Date |  | Par Value |  | Shares Authorized, Issued and Outstanding |  |  |  |  |  | Liquidation Preference Per Share |  | Total Liquidation Preference |  | Dividend
Series A |  | March 12, 2020 |  | March 15, 2025 |  | $ | 0.01 |  |  | 345,000 |  |  |  |  |  | $ | 1,000 |  |  | $ | 345 |  |  | 5.375%
Series B(1) |  | January 3, 2022 |  | January 4, 2027 |  | 0.01 |  |  | 325,000 |  |  |  |  |  | 1,000 |  |  | 325 |  | SOFR + 3.972%
Series C |  | January 3, 2022 |  | January 4, 2027 |  | 0.01 |  |  | 8,000,000 |  |  |  |  |  | 25 |  |  | 200 |  | 5.625%
(1) Upon conversion to SOFR in 2023, BancShares began paying a credit spread adjustment in addition to the stated dividend.

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- Definition Schedule of Preferred Stock And Depositary Shares + References No definition available. + Details
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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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