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INVESTMENT SECURITIES - Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities Held to Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Mar. 31, 2023
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 33,109  
Gross Unrealized Gains 3  
Gross Unrealized (Losses) (1,898)  
Fair Value 31,214  
Amortized Cost   $ 39,622
Gross Unrealized Gains   21
Gross Unrealized (Losses)   (2,334)
Fair Value   37,309
Corporate debt securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 21,863  
Gross Unrealized Gains 3  
Gross Unrealized (Losses) (1,361)  
Fair Value 20,505  
Amortized Cost   24,936
Gross Unrealized Gains   6
Gross Unrealized (Losses)   (1,325)
Fair Value   23,617
U.S. treasury securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 10,723  
Gross Unrealized Gains 0  
Gross Unrealized (Losses) (537)  
Fair Value 10,186  
Amortized Cost   13,400
Gross Unrealized Gains   15
Gross Unrealized (Losses)   (425)
Fair Value   12,990
Common stock    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost   768
Gross Unrealized Gains   0
Gross Unrealized (Losses)   (584)
Fair Value   184
Certificates of deposit    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 523 518
Gross Unrealized Gains 0 0
Gross Unrealized (Losses) 0 0
Fair Value $ 523 $ 518