Annual report [Section 13 and 15(d), not S-K Item 405]

Purchase of Treasury Stock - Additional Information (Detail)

v3.25.1
Purchase of Treasury Stock - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Jan. 29, 2015
Equity [Abstract]        
Stock repurchase program authorized amount       $ 18,000,000
Number of shares purchased during period 0 0 0