PREMISES AND EQUIPMENT AND DEVELOPED SOFTWARE - Premises and Equipment (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Property, Plant and Equipment [Line Items]          
Accumulated depreciation $ (258,000)   $ (258,000)   $ (869,000)
Total 531,000   531,000   508,000
Depreciation expense 100,000 $ 100,000 100,000 $ 100,000  
Impairment recognized 0 $ 0 0 $ 0  
IT equipment          
Property, Plant and Equipment [Line Items]          
IT equipment $ 789,000   $ 789,000   $ 1,377,000
IT equipment | Minimum          
Property, Plant and Equipment [Line Items]          
Expected useful life (in years) 3 years   3 years    
IT equipment | Maximum          
Property, Plant and Equipment [Line Items]          
Expected useful life (in years) 5 years   5 years