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MARKETABLE SECURITIES - Contractual Maturities of Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |
Due within one year | $ 36,533 |
Due after one year through five years | 9,995 |
Due after five years through ten years | 22,071 |
Due after ten years | 11,686 |
Available-for-sale debt securities, amortized cost basis | 383,557 | $ 361,061
Estimated Fair Value |  |
Due within one year | 36,407 |
Due after one year through five years | 9,959 |
Due after five years through ten years | 20,849 |
Due after ten years | 11,968 |
Available-for-sale debt securities, estimated fair value | 367,929 | 340,304
Held to Maturity Amortized Cost |  |
Due within one year | 4,727 |
Due after one year through five years | 39,681 |
Due after five years through ten years | 73,557 |
Due after ten years | 27,120 |
Held to Maturity debt securities, amortized cost | 280,835 | 334,732
Held to Maturity Estimated Fair Value |  |
Due within one year | 4,717 |
Due after one year through five years | 38,373 |
Due after five years through ten years | 70,530 |
Due after ten years | 24,263 |
Held to maturity debt securities, estimated fair value | 253,573 | 303,245
Mortgage-backed securities |  |
Amortized Cost |  |
Available-for-sale debt securities, amortized cost basis | 284,189 |
Available-for-sale debt securities, amortized cost basis | 284,189 | 265,369
Estimated Fair Value |  |
Available-for-sale debt securities, estimated fair value | 270,927 |
Available-for-sale debt securities, estimated fair value | 270,927 | 248,734
Held to Maturity Amortized Cost |  |
Held to Maturity debt securities, amortized cost | 104,175 |
Held to Maturity debt securities, amortized cost | 104,175 | 109,281
Held to Maturity Estimated Fair Value |  |
Held to maturity debt securities, estimated fair value | 89,997 |
Held to maturity debt securities, estimated fair value | 89,997 | 93,266
Collateralized mortgage obligations |  |
Amortized Cost |  |
Available-for-sale debt securities, amortized cost basis | 19,083 |
Available-for-sale debt securities, amortized cost basis | 19,083 | 21,554
Estimated Fair Value |  |
Available-for-sale debt securities, estimated fair value | 17,819 |
Available-for-sale debt securities, estimated fair value | 17,819 | 19,519
Held to Maturity Amortized Cost |  |
Held to Maturity debt securities, amortized cost | 31,575 |
Held to Maturity debt securities, amortized cost | 31,575 | 33,505
Held to Maturity Estimated Fair Value |  |
Held to maturity debt securities, estimated fair value | 25,693 |
Held to maturity debt securities, estimated fair value | $ 25,693 | $ 25,877

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