Accounts and Taxes Payable and Accrued Liabilities - Accounts Payable and Income Taxes Payable (Detail) - USD ($) |
Dec. 31, 2020 |
Mar. 31, 2020 |
---|---|---|
Payables And Accruals [Abstract] | ||
Accounts payable | $ 12,065,000 | $ 15,145,000 |
Income taxes payable and uncertain tax positions | 5,429,000 | 1,218,000 |
Total accounts and taxes payable | $ 17,494,000 | $ 16,363,000 |