SUBORDINATED DEBENTURES - Schedule of Terms of Subordinated Debentures (Details) - Federal Home Loan Bank advances	Jun. 30, 2018 USD ($)
Trust II Debentures
Debt Instrument [Line Items]
Original amount	$ 3,093,000
Trust III Debentures
Debt Instrument [Line Items]
Original amount	2,062,000
DCB Trust I Debentures
Debt Instrument [Line Items]
Original amount	$ 5,155,000

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant