XML 75 R62.htm IDEA: XBRL DOCUMENT v3.21.2
Other Assets - Summary of Future Estimated Amortization Expense Related to Acquired Land Leasehold Interest and Technology Patents (Details) - Technology patents and other intangible assets, net - USD ($)
$ in Thousands
Jul. 31, 2021
Jan. 31, 2021
Finite-Lived Intangible Assets [Line Items]    
Remainder of 2022 $ 1,454  
2023 2,688  
2024 2,380  
2025 1,900  
2026 1,636  
Thereafter 6,202  
Total $ 16,260 $ 17,766