SECURITIES - Amortized Cost and Fair Value By Contractual Maturity, Held-to-maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Held-to-maturity, Amortized Cost
One to five years	$ 19,818
Five to ten years	83,055
Pass-through MBS issued by GSEs and agency CMO	489,541
Total Amortized Cost	592,414
Held-to-maturity, Fair Value
One to five years	18,865
Five to ten years	74,758
Pass-through MBS issued by GSEs and agency CMO	434,907
Total Fair Value	$ 528,530	$ 516,930

Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing in sixth through tenth rolling fiscal year following current statement of financial position date. For interim and annual periods when interim period is reported on rolling approach.

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