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Securities, HTM Debt Securities, Contractual Maturities (Details) $ in Thousands | Mar. 31, 2023 USD ($) Issuer | Dec. 31, 2022 USD ($) Issuer
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Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract] |  |
Within one year | $ 51,124 |
From one to five years | 100,684 |
From five to ten years | 270,074 |
After ten years | 484,942 |
Amortized cost | 906,824 | $ 919,517
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract] |  |
Within one year | 51,112 |
From one to five years | 98,539 |
From five to ten years | 237,794 |
After ten years | 425,219 |
Fair value | $ 812,664 | $ 812,647
Number of issuers whose holdings exceeded 10% of consolidated stockholders' equity, excluding U.S. Government securities and Government-sponsored enterprises securities | Issuer | 0 | 0

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