INVESTMENT SECURITIES - Amortized Cost and Fair Value of Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Amortized Cost
Due within one year	$ 0
Due after one year through five years	182
Due after five years through ten years	12,517
Due after ten years	15,341
Amortized cost	28,040	$ 32,109
Fair Value
Due within one year	0
Due after one year through five years	176
Due after five years through ten years	12,565
Due after ten years	15,390
Total available for sale	28,131	31,278
Amortized Cost
Due within one year	0
Due after one year through five years	0
Due after five years through ten years	1,153
Due after ten years	0
Amortized cost	1,153	1,113
Fair Value
Due within one year	0
Due after one year through five years	0
Due after five years through ten years	1,419
Due after ten years	0
Total held to maturity	$ 1,419	$ 1,292