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INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Mar. 31, 2022
Dec. 31, 2021
Schedule of Investments [Line Items]          
Total unfunded commitments $ 15,232        
Swell Financial, Inc.          
Schedule of Investments [Line Items]          
Proceeds from intellectual property rights and platform usage feeds from products 1,400 $ 1,500 $ 1,500    
Swell Financial, Inc. | Maximum          
Schedule of Investments [Line Items]          
Proceeds from sale of equity method investment securities     $ 500    
JAM FINTOP Banktech Fund, L.P.          
Schedule of Investments [Line Items]          
Equity method investments         $ 2,000
Swell Financial, Inc.          
Schedule of Investments [Line Items]          
Equity method investments       $ 2,000  
LIHTC          
Schedule of Investments [Line Items]          
Total unfunded commitments 14,329 22,000      
Other          
Schedule of Investments [Line Items]          
Total unfunded commitments 903 1,000      
Fund Commitments          
Schedule of Investments [Line Items]          
Funded commitments, LIHTC $ 47,800 $ 47,800