DEBT (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Borrowings from partner bank	$ 0	$ 21,000,000.0
Affiliated Entity | Partner Bank
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	10,000,000	$ 50,000,000
Borrowing base limit	4,300,000
Line of credit, amount outstanding	$ 0
Affiliated Entity | Partner Bank | LIBOR
Line of Credit Facility [Line Items]
Line of credit, basis spread on variable interest rate	3.75%
Affiliated Entity | Partner Bank | LIBOR | Minimum
Line of Credit Facility [Line Items]
Line of credit, basis spread on variable interest rate	0.50%