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INVESTMENT SECURITIES - Contractual Maturities of Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Available for Sale Amortized Cost
Due within one year	$ 500
Due over one to five years	1,001
Due over five to ten years	15,645
Due over ten years	45,333
Amortized Cost	62,479	$ 83,563
Available for Sale Fair Value
Due within one year	497
Due over one to five years	993
Due over five to ten years	15,347
Due over ten years	44,583
Fair Value	$ 61,420	81,572
Available for Sale, Yield
Within one year	1.58%
Over one to five years	1.72%
Over five to ten years	1.84%
Over ten years	2.38%
Collateralized mortgage obligations
Available for Sale Amortized Cost
Amortized Cost	$ 18,938	20,463
Available for Sale Fair Value
Fair Value	18,479	19,806
Agency mortgage-backed securities
Available for Sale Amortized Cost
Amortized Cost	27,104	25,895
Available for Sale Fair Value
Fair Value	$ 26,597	$ 24,987

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