PLEDGED ASSETS - Assets Pledged from Counterparties (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Repurchase Agreements [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Cash Pledged By Counterparties	$ 0	$ 371,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration