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Accounts and Income Taxes Payable and Accrued Liabilities - Accounts Payable and Income Taxes Payable (Detail) - USD ($)
Jun. 30, 2025
Mar. 31, 2025
Payables and Accruals [Abstract]    
Accounts payable $ 21,179,000 $ 15,422,000
Income taxes payable and uncertain tax positions 9,510,000 1,370,000
Total accounts and taxes payable $ 30,689,000 $ 16,792,000