LOANS RECEIVABLE - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended	15 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Jun. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans originated under the Paycheck Protection Program	$ 19,746	$ 18,567
Loans receivable	$ 82,017		$ 83,136	$ 82,017
Loans, percent current	99.90%		98.80%	99.90%
Loans receivable, net	$ 81,942		$ 83,135	$ 81,942
Accounts Receivable | Customer Concentration Risk | Hospitality Industry
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk	99.70%		99.10%
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	$ 1,400		$ 1,400	1,400
SBA 7(a) loans receivable, paycheck protection program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans originated under the Paycheck Protection Program				26,400
Loans receivable	$ 12,408		$ 14,484	$ 12,408