SECURITIES (Securities held to maturity debt maturities) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Amortized Cost
Due in 1 year or less	$ 2,403
Due in 1 to 5 years	15,153
Due in 5 to 10 years	58,936
Due after 10 years	11,473
Amortized Cost	87,965	$ 236,283
Estimated Fair Value
Due in 1 year or less	2,443
Due in 1 to 5 years	15,690
Due in 5 to 10 years	64,695
Due after 10 years	15,077
Estimated Fair Value	$ 97,905	$ 245,341

Amount of investment in debt security measured at amortized cost (held-to-maturity).

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