CORRESPONDENT BANK STOCK - CORRESPONDENT BANK STOCK (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
CORRESPONDENT BANK STOCK
Correspondent bank stock, at cost	$ 585	$ 2,488
FHLB Topeka
CORRESPONDENT BANK STOCK
Correspondent bank stock, at cost	559	2,413
BBW
CORRESPONDENT BANK STOCK
Correspondent bank stock, at cost	$ 26	$ 75