FAIR VALUE - (Held-to-Maturity Financial Instruments Measured at Fair Value) (Details) - Us Government Obligations And Authorities Corporate And International Securities [Member] - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities, fair Value	$ 4,331	$ 4,964
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities, fair Value	3,453	3,809
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities, fair Value	878	1,155
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities, fair Value	$ 0	$ 0