INVESTMENT SECURITIES - Amortized Cost and Fair Value of Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Available-for-sale, amortized cost [Abstract]
Due within one year	$ 0
Due after one year through five years	0
Due after five years through ten years	500
Due after ten years	1,261
Residential mortgage-backed securities and collateralized mortgage obligations	35,589
Total available-for-sale	37,350
Available-for-sale, fair value [Abstract]
Due within one year	0
Due after one year through five years	0
Due after five years through ten years	500
Due after ten years	962
Residential mortgage-backed securities and collateralized mortgage obligations	36,418
Total available-for-sale securities	37,880	$ 42,567
Held-to-maturity, amortized cost [Abstract]
Due within one year	0
Due after one year through five years	0
Due after five years through ten years	1,213
Due after ten years	1,000
Amortized cost	2,213	2,181
Held-to-maturity, fair value [Abstract]
Due within one year	0
Due after one year through five years	0
Due after five years through ten years	1,268
Due after ten years	1,247
Total held to maturity fair value	$ 2,515	$ 2,471