ACQUIRED CREDIT IMPAIRED LOANS, ACCRETABLE DISCOUNT RELATED TO ACQUIRED IMPAIRED LOANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Accretable discount, beginning of year	$ 743	$ 669
Accretable discount acquired during period	0	151
Reclass from nonaccretable discount to accretable discount	243	4
Disposals	1	0
Less accretion	(507)	(81)
Accretable discount, end of year	480	743
Columbus First Bancorp, Inc.
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Contractually required principal at acquisition		4,989
Accretable discount, beginning of year	$ 151
Accretable discount, end of year		151
Certain Loans Acquired in Transfer, Nonaccretable Difference		906
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition		4,083
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value		$ 3,932