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v3.26.1

Investment Securities (Investment Securities, At Fair Value) (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Investment Securities [Abstract] |  |  |
Available for sale debt securities |  | $ 8,646,127 | $ 9,095,513
Trading debt securities |  | 44,329 | 40,080
Equity securities with a readily determinable fair value |  | 46,193 | 47,551
Equity Securities without Readily Determinable Fair Value, Amount |  | 10,000 | 9,803
Federal Reserve Bank Stock |  | 54,434 | 35,918
Federal Home Loan Bank Stock |  | 10,141 | 10,198
Private equity investments |  | 183,764 | 184,343
Total investment securities | [1] | 8,994,988 | 9,423,406
Interest Receivable, Current |  | $ 36,400 | $ 42,000
[1] | (1)Accrued interest receivable totaled $36.4 million and $42.0 million at March 31, 2026 and December 31, 2025, respectively, and was included within other assets on the consolidated balance sheets.

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