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Securities - Scheduled Contractual Maturities of HTM Debt Securities (Details) $ in Thousands | Sep. 30, 2024 USD ($)
--- | ---
Amortized cost |
Within One Year | $ 0
After One Year through Five Years | 538,386
After Five Years through Ten Years | 462,682
After Ten Years | 1,927,331
Total | 2,928,399
Fair value |
Within One Year | 0
After One Year through Five Years | 509,546
After Five Years through Ten Years | 409,605
After Ten Years | 1,591,201
Total | $ 2,510,352
Weighted Average Yield |
Within One Year | 0.00%
After One Year through Five Years | 1.05%
After Five Years through Ten Years | 1.83%
After Ten Years | 1.79%
Total | 1.66%
U.S. Treasury securities |
Amortized cost |
Within One Year | $ 0
After One Year through Five Years | 533,683
After Five Years through Ten Years | 0
After Ten Years | 0
Total | 533,683
Fair value |
Within One Year | 0
After One Year through Five Years | 505,144
After Five Years through Ten Years | 0
After Ten Years | 0
Total | $ 505,144
Weighted Average Yield |
Within One Year | 0.00%
After One Year through Five Years | 1.05%
After Five Years through Ten Years | 0.00%
After Ten Years | 0.00%
Total | 1.05%
U.S. government agency and U.S. government-sponsored enterprise debt securities |
Amortized cost |
Within One Year | $ 0
After One Year through Five Years | 0
After Five Years through Ten Years | 368,217
After Ten Years | 635,730
Total | 1,003,947
Fair value |
Within One Year | 0
After One Year through Five Years | 0
After Five Years through Ten Years | 326,454
After Ten Years | 522,346
Total | $ 848,800
Weighted Average Yield |
Within One Year | 0.00%
After One Year through Five Years | 0.00%
After Five Years through Ten Years | 1.89%
After Ten Years | 1.90%
Total | 1.90%
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities |
Amortized cost |
Within One Year | $ 0
After One Year through Five Years | 4,703
After Five Years through Ten Years | 94,465
After Ten Years | 1,103,599
Total | 1,202,767
Fair value |
Within One Year | 0
After One Year through Five Years | 4,402
After Five Years through Ten Years | 83,151
After Ten Years | 920,620
Total | $ 1,008,173
Weighted Average Yield |
Within One Year | 0.00%
After One Year through Five Years | 1.43%
After Five Years through Ten Years | 1.61%
After Ten Years | 1.70%
Total | 1.69%
Municipal securities |
Amortized cost |
Within One Year | $ 0
After One Year through Five Years | 0
After Five Years through Ten Years | 0
After Ten Years | 188,002
Total | 188,002
Fair value |
Within One Year | 0
After One Year through Five Years | 0
After Five Years through Ten Years | 0
After Ten Years | 148,235
Total | $ 148,235
Weighted Average Yield |
Within One Year | 0.00%
After One Year through Five Years | 0.00%
After Five Years through Ten Years | 0.00%
After Ten Years | 2.00%
Total | 2.00%

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