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Other Borrowings and Subordinated Debentures (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Schedule of Debt | Debt at December 31, 2020 and 2019 consisted of the following components:
(In thousands) | 2020 |  | 2019
Other Borrowings |  |  |
FHLB advances, net of discount, due 2021 to 2035, 0.23% to 7.37%, secured by real estate loans | $ | 1,308,674 |  |  | $ | 1,262,691 |
Other long-term debt | 33,393 |  |  | 34,908 |
Total other borrowings | 1,342,067 |  |  | 1,297,599 |
Subordinated Notes and Debentures |  |  |
Subordinated notes payable, due 4/1/2028, fixed-to-floating rate (fixed rate of 5.00% through 3/31/2023, floating rate of 2.15% above the three month LIBOR rate, reset quarterly) | 330,000 |  |  | 330,000 |
Trust preferred securities, net of discount, due 9/15/2037, floating rate of 1.37% above the three month LIBOR rate, reset quarterly | 10,310 |  |  | 10,310 |
Trust preferred securities, net of discount, due 6/6/2037, floating rate of 1.57% above the three month LIBOR rate, reset quarterly, callable without penalty | 10,310 |  |  | 10,310 |
Trust preferred securities, due 12/15/2035, floating rate of 1.45% above the three month LIBOR rate, reset quarterly, callable without penalty | 6,702 |  |  | 6,702 |
Trust preferred securities, net of discount, due 6/15/2037, floating rate of 1.85% above the three month LIBOR rate, reset quarterly, callable without penalty | 25,172 |  |  | 25,015 |
Trust preferred securities, net of discount, due 12/15/2036, floating rate of 1.85% above the three month LIBOR rate, reset quarterly, callable without penalty | 3,023 |  |  | 3,004 |
Other subordinated debentures, due 12/31/36, floating rate of prime rate minus 1.1%, reset quarterly | — |  |  | 5,927 |
Unamortized debt issuance costs | (2,643) |  |  | (3,008) |
Total subordinated notes and debentures | 382,874 |  |  | 388,260 |
Total other borrowings and subordinated debt | $ | 1,724,941 |  |  | $ | 1,685,859 |
Schedule of Aggregate Annual Maturities of Long-term Debt | Aggregate annual maturities of long-term debt at December 31, 2020, are as follows:
Year | (In thousands)
2021 | $ | 2,812 |
2022 | 1,921 |
2023 | 1,758 |
2024 | 2,399 |
2025 | 4,948 |
Thereafter | 1,711,103 |
Total | $ | 1,724,941 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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