Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES - Narrative (Details)

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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2019
Mar. 31, 2011
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]          
Rent expense     $ 400,000 $ 500,000 $ 500,000
Operating Leases, Future Minimum Payments Due          
2020     500,000    
2021     400,000    
2022     400,000    
2022     400,000    
thereafter     1,100,000    
Pre-tax gain on Class B shares   $ 3,200,000      
Quartely payment until settlement is finalized     $ 624,000    
Visa U.S.A. network [Member]          
Loss Contingencies [Line Items]          
Due to counterparty $ 100,000        
Visa U.S.A. network [Member] | Indemnification Obligation [Member]          
Loss Contingencies [Line Items]          
Increase in litigation reserves $ 300,000,000