SECURITIES AVAILABLE FOR SALE - Summary of Securities with Unrealized Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Gross Unrealized Losses
Less Than Twelve Months	$ 1,949	$ 2,165
Over Twelve Months	903	1,698
Total	2,852	3,863
Fair Value
Less Than Twelve Months	85,373	112,232
Over Twelve Months	26,883	82,201
Total	112,256	194,433
US Government-sponsored enterprises
Gross Unrealized Losses
Less Than Twelve Months	193	1,074
Over Twelve Months	248	1,006
Total	441	2,080
Fair Value
Less Than Twelve Months	35,087	43,429
Over Twelve Months	4,027	49,712
Total	39,114	93,141
US Government agency
Gross Unrealized Losses
Less Than Twelve Months	68	432
Over Twelve Months	77	115
Total	145	547
Fair Value
Less Than Twelve Months	8,671	19,717
Over Twelve Months	3,458	9,120
Total	12,129	28,837
Private label
Gross Unrealized Losses
Less Than Twelve Months	1	380
Over Twelve Months	578	367
Total	579	747
Fair Value
Less Than Twelve Months	108	9,843
Over Twelve Months	19,398	9,411
Total	19,506	19,254
Obligations of states and political subdivisions thereof
Gross Unrealized Losses
Less Than Twelve Months		137
Over Twelve Months		131
Total		268
Fair Value
Less Than Twelve Months	247	29,355
Over Twelve Months		1,682
Total	247	31,037
Corporate bonds
Gross Unrealized Losses
Less Than Twelve Months	1,687	142
Over Twelve Months		79
Total	1,687	221
Fair Value
Less Than Twelve Months	41,260	9,888
Over Twelve Months		12,276
Total	$ 41,260	$ 22,164