FAIR VALUE (Schedule of Residential Loans Held for Sale, at Fair Value) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Residential loans contractual balance	$ 2,960	$ 13,295
Fair value adjustment	53	293
Total fair value of residential loans held for sale	$ 3,013	$ 13,588

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

No definition available.

Name:	us-gaap_AssetsFairValueAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration