LOANS - TROUBLED DEBT RESTRUCTURING (Details)	6 Months Ended
Jun. 30, 2018 loan item	Jun. 30, 2017 loan
LOANS
Number of consecutive timely payments before being considered return to accruing status \| item	6
Number of troubled debt restructurings \| loan	1	0

Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration