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Junior Subordinated Interest Deferrable Debentures (Tables) | 9 Months Ended
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Sep. 30, 2025
Junior Subordinated Interest Deferrable Debentures |
Summary of information about capital and common securities and their interest rate | The following table illustrates key information about each of the Capital and Common Securities and their interest rate at September 30, 2025: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Junior |  | ​ |  | ​ | ​ | ​ |  | ​ |  | ​ |  | ​ | ​
​ | ​ | Subordinated | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Deferrable | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Interest | ​ | Repricing | ​ | Interest | ​ | Interest | ​ | ​ | ​ | Optional | ​
​ | ​ | Debentures | ​ | Frequency | ​ | Rate | ​ | Rate Index(1) | ​ | Maturity Date | ​ | Redemption Date(2) | ​
​ | ​ | (Dollars in Thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trust IX | ​ | $ | 41,238 |  | Quarterly |  | 6.17 | % | SOFR | + | 1.62 |  | October 2036 |  | October 2011 | ​
Trust X | ​ |  | 21,021 |  | Quarterly |  | 6.21 | % | SOFR | + | 1.65 |  | February 2037 |  | February 2012 | ​
Trust XI | ​ |  | 25,990 |  | Quarterly |  | 6.17 | % | SOFR | + | 1.62 |  | July 2037 |  | July 2012 | ​
Trust XII | ​ |  | 20,619 |  | Quarterly |  | 5.88 | % | SOFR | + | 1.45 |  | September 2037 |  | September 2012 | ​
​ | ​ | $ | 108,868 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(1) On July 1, 2023, the interest rate index on the Capital and Common Securities transitioned from U.S.-dollar London Interbank Offered Rate (“LIBOR”) to the Three-Month CME Term Secured Overnight Financing Rate (“SOFR”) with a 26-basis point spread adjustment.
(2) | The Capital and Common Securities may be redeemed in whole or in part on any interest payment date after the Optional Redemption Date (as defined in the respective Indenture).

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- Definition Tabular disclosure of borrowings under junior subordinated debt agreements, including restrictive covenants, collateral, interest rates and due dates, amounts due by date and amount owed in total. + References No definition available. + Details
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- References No definition available. + Details
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