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Leases - Summary of Future Lease Payments for Operating and Finance Leases (Detail) - USD ($) $ in Thousands | Jan. 31, 2021 | Apr. 30, 2020
--- | --- | ---
Operating and Finance Lease liabilities payments |  |
2021 | $ 1,174 |
2022 | 4,602 |
2023 | 4,625 |
2024 | 4,670 |
2025 | 3,506 |
Thereafter | 49,495 |
Total future lease payments | 68,072 |
Less amounts representing interest | (22,669) |
Present value of lease payments | 45,403 |
Less current maturities of lease liabilities | (2,392) |
Long-term maturities of lease liabilities | 43,011 |
Operating Leases |  |
2021 | 413 |
2022 | 1,546 |
2023 | 1,554 |
2024 | 1,545 |
2025 | 326 |
Thereafter | 712 |
Total future lease payments | 6,096 |
Less amounts representing interest | (826) |
Total operating lease liabilities | 5,270 |
Less current maturities of lease liabilities | (1,319) | $ (1,506)
Long-term maturities of lease liabilities | 3,951 |
Financing Leases |  |
2021 | 761 |
2022 | 3,056 |
2023 | 3,071 |
2024 | 3,125 |
2025 | 3,180 |
Thereafter | 48,783 |
Total future lease payments | 61,976 |
Less amounts representing interest | (21,843) |
Total finance lease liabilities | 40,133 |
Less current maturities of lease liabilities | (1,073) | (1,046)
Long-term maturities of lease liabilities | $ 39,060 | $ 39,873

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