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MARKETABLE SECURITIES - Contractual Maturities of Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Amortized Cost |  |
Due within one year | $ 25,052 |
Due after one year through five years | 26,486 |
Due after five years through ten years | 22,600 |
Due after ten years | 0 |
Available-for-sale debt securities, amortized cost basis | 361,061 | $ 215,380
Estimated Fair Value |  |
Due within one year | 24,960 |
Due after one year through five years | 26,138 |
Due after five years through ten years | 20,953 |
Due after ten years | 0 |
Available-for-sale debt securities, estimated fair value | 340,304 | 196,195
Held to Maturity Amortized Cost |  |
Due within one year | 34,609 |
Due after one year through five years | 40,991 |
Due after five years through ten years | 85,968 |
Due after ten years | 30,378 |
Held to Maturity debt securities, amortized cost | 334,732 | 404,208
Held to Maturity Estimated Fair Value |  |
Due within one year | 34,439 |
Due after one year through five years | 39,377 |
Due after five years through ten years | 82,625 |
Due after ten years | 27,661 |
Held to maturity debt securities, estimated fair value | 303,245 | 374,523
Mortgage-backed securities |  |
Amortized Cost |  |
Available-for-sale debt securities, amortized cost basis | 265,369 |
Available-for-sale debt securities, amortized cost basis | 265,369 | 164,419
Estimated Fair Value |  |
Available-for-sale debt securities, estimated fair value | 248,734 |
Available-for-sale debt securities, estimated fair value | 248,734 | 149,812
Held to Maturity Amortized Cost |  |
Held to Maturity debt securities, amortized cost | 109,281 |
Held to Maturity debt securities, amortized cost | 109,281 | 119,872
Held to Maturity Estimated Fair Value |  |
Held to maturity debt securities, estimated fair value | 93,266 |
Held to maturity debt securities, estimated fair value | 93,266 | 104,767
Collateralized mortgage obligations |  |
Amortized Cost |  |
Available-for-sale debt securities, amortized cost basis | 21,554 |
Available-for-sale debt securities, amortized cost basis | 21,554 | 18,757
Estimated Fair Value |  |
Available-for-sale debt securities, estimated fair value | 19,519 |
Available-for-sale debt securities, estimated fair value | 19,519 | 17,074
Held to Maturity Amortized Cost |  |
Held to Maturity debt securities, amortized cost | 33,505 |
Held to Maturity debt securities, amortized cost | 33,505 | 37,437
Held to Maturity Estimated Fair Value |  |
Held to maturity debt securities, estimated fair value | 25,877 |
Held to maturity debt securities, estimated fair value | $ 25,877 | $ 30,161

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