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Goodwill and Intangible Assets, Amortization Expense (Details) - USD ($)
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Amortization expense for acquired intangible assets [Abstract]      
Amortization expense $ 1,460,000 $ 1,548,000 $ 1,571,000
Estimated future amortization expense for intangible assets subject to amortization [Abstract]      
2024 1,073,000    
2025 486,000    
2026 342,000    
2027 242,000    
Total $ 2,143,000