OTHER REAL ESTATE OWNED - Summary of Activity in Purchased Other Real Estate Owned (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Real Estate Owned
Other	$ 0	$ (75)
Purchased Other Real Estate Owned
Real Estate Owned
January 1	9,535	9,011
Loans transferred to other real estate owned	2,432	556
Other Real Estate, Non Covered, Additions	0	1,888
Portion of gains (losses) on sale and write-downs payable to (receivable from) the FDIC under loss-sharing agreements	(15)	0
Net gains (losses) on sale and write-downs recorded in statement of income	243	(231)
Sales proceeds	(2,689)	(3,952)
Ending balance	$ 9,506	$ 7,272