SECURITIES, By Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortized cost of available-for-sale securities by contractual maturity [Abstract]
Due in one year or less	$ 7,085
Due after one year through five years	29,988
Due after five years through ten years	10,543
Due after ten years	6,443
Amortized cost	392,898	$ 386,066
Fair value of available-for-sale securities by contractual maturity [Abstract]
Due in one year or less	7,124
Due after one year through five years	29,948
Due after five years through ten years	10,647
Due after ten years	6,700
Fair value	404,478	390,754
Mortgage-backed Securities of Government Sponsored Agencies [Member]
Amortized cost of available-for-sale securities by contractual maturity [Abstract]
Without single maturity date	338,839
Amortized cost	338,839	338,002
Fair value of available-for-sale securities by contractual maturity [Abstract]
Without single maturity date	350,059
Fair value	$ 350,059	$ 341,953

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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