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Securities - Contractual Maturities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 0 |
Due after one year through five years | 0 |
Due after five years through ten years | 5,164 |
Due after ten years | 6,514 |
Held to maturity, amortized cost | 11,678 |
Fair Value |  |
Due in one year or less | 0 |
Due after one year through five years | 0 |
Due after five years through ten years | 4,717 |
Due after ten years | 6,131 |
Held to maturity, fair value | 10,848 | $ 11,970
Amortized Cost |  |
Due in one year or less | 67,657 |
Due after one year through five years | 83,105 |
Due after five years through ten years | 172,944 |
Due after ten years | 176,271 |
Available for sale, amortized cost | 1,407,675 | 1,844,975
Fair Value |  |
Due in one year or less | 67,160 |
Due after one year through five years | 76,814 |
Due after five years through ten years | 153,675 |
Due after ten years | 147,752 |
Available for sale, fair value | 1,253,631 | 1,641,484
Commercial mortgage-backed securities |  |
Amortized Cost |  |
Without single maturity date | 0 |
Fair Value |  |
Without single maturity date | 0 |
Amortized Cost |  |
Without single maturity date | 104,459 |
Available for sale, amortized cost | 104,459 | 105,536
Fair Value |  |
Without single maturity date | 93,396 |
Available for sale, fair value | 93,396 | 91,943
Residential mortgage-backed securities |  |
Amortized Cost |  |
Without single maturity date | 0 |
Fair Value |  |
Without single maturity date | 0 |
Amortized Cost |  |
Without single maturity date | 569,622 |
Available for sale, amortized cost | 569,622 | 649,765
Fair Value |  |
Without single maturity date | 506,502 |
Available for sale, fair value | 506,502 | 572,303
Commercial collateralized mortgage obligations |  |
Amortized Cost |  |
Without single maturity date | 0 |
Fair Value |  |
Without single maturity date | 0 |
Amortized Cost |  |
Without single maturity date | 39,386 |
Available for sale, amortized cost | 39,386 | 44,330
Fair Value |  |
Without single maturity date | 35,183 |
Available for sale, fair value | 35,183 | 38,813
Residential collateralized mortgage obligations |  |
Amortized Cost |  |
Without single maturity date | 0 |
Fair Value |  |
Without single maturity date | 0 |
Amortized Cost |  |
Without single maturity date | 150,710 |
Available for sale, amortized cost | 150,710 | 170,136
Fair Value |  |
Without single maturity date | 130,144 |
Available for sale, fair value | 130,144 | 146,370
Asset-backed securities |  |
Amortized Cost |  |
Without single maturity date | 0 |
Fair Value |  |
Without single maturity date | 0 |
Amortized Cost |  |
Without single maturity date | 43,521 |
Available for sale, amortized cost | 43,521 | 73,918
Fair Value |  |
Without single maturity date | 43,005 |
Available for sale, fair value | $ 43,005 | $ 71,900

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