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v3.25.1

Junior Subordinated Debentures - Schedule of Junior Subordinated Debentures (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024
Subordinated Borrowing [Line Items] |  |  |
Junior subordinated debentures | $ 253,566 | $ 253,566 | $ 253,566
Junior Subordinated Debt |  |  |
Subordinated Borrowing [Line Items] |  |  |
Junior subordinated debentures | $ 253,566 | $ 253,600 | $ 253,600
Weighted average contractual rate | 6.76% |  |
Junior Subordinated Debt | Wintrust Capital Trust III |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 774 |  |
Trust Preferred Securities | 25,000 |  |
Junior subordinated debentures | $ 25,774 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 3.25% |  |
Weighted average contractual rate | 7.81% |  |
Junior Subordinated Debt | Wintrust Statutory Trust IV |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 619 |  |
Trust Preferred Securities | 20,000 |  |
Junior subordinated debentures | $ 20,619 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 2.80% |  |
Weighted average contractual rate | 7.36% |  |
Junior Subordinated Debt | Wintrust Statutory Trust V |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 1,238 |  |
Trust Preferred Securities | 40,000 |  |
Junior subordinated debentures | $ 41,238 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 2.60% |  |
Weighted average contractual rate | 7.16% |  |
Junior Subordinated Debt | Wintrust Capital Trust VII |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 1,550 |  |
Trust Preferred Securities | 50,000 |  |
Junior subordinated debentures | $ 51,550 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 1.95% |  |
Weighted average contractual rate | 6.51% |  |
Junior Subordinated Debt | Wintrust Capital Trust VIII |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 1,238 |  |
Trust Preferred Securities | 25,000 |  |
Junior subordinated debentures | $ 26,238 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 1.45% |  |
Weighted average contractual rate | 6.01% |  |
Junior Subordinated Debt | Wintrust Capital Trust IX |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 1,547 |  |
Trust Preferred Securities | 50,000 |  |
Junior subordinated debentures | $ 51,547 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 1.63% |  |
Weighted average contractual rate | 6.19% |  |
Junior Subordinated Debt | Northview Capital Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 186 |  |
Trust Preferred Securities | 6,000 |  |
Junior subordinated debentures | $ 6,186 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 3.00% |  |
Weighted average contractual rate | 7.55% |  |
Junior Subordinated Debt | Town Bankshares Capital Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 186 |  |
Trust Preferred Securities | 6,000 |  |
Junior subordinated debentures | $ 6,186 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 3.00% |  |
Weighted average contractual rate | 7.55% |  |
Junior Subordinated Debt | First Northwest Capital Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 155 |  |
Trust Preferred Securities | 5,000 |  |
Junior subordinated debentures | $ 5,155 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 3.00% |  |
Weighted average contractual rate | 7.56% |  |
Junior Subordinated Debt | Suburban Illinois Capital Trust II |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 464 |  |
Trust Preferred Securities | 15,000 |  |
Junior subordinated debentures | $ 15,464 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 1.75% |  |
Weighted average contractual rate | 6.31% |  |
Junior Subordinated Debt | Community Financial Shares Statutory Trust II |  |  |
Subordinated Borrowing [Line Items] |  |  |
Common Securities | $ 109 |  |
Trust Preferred Securities | 3,500 |  |
Junior subordinated debentures | $ 3,609 |  |
Rate structure, stated | 0.26161% |  |
Rate structure, variable | 1.62% |  |
Weighted average contractual rate | 6.18% |  |

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