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Investments (Details) - USD ($)
$ in Thousands
Jul. 31, 2022
Jan. 31, 2022
Disclosure Text Block Supplement [Abstract]    
Retained Earnings, Undistributed Earnings from Equity Method Investees $ 16,100 $ 10,500
Short-Term Investments $ 190,471 $ 25,877
Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity, Year One 0.90% 0.10%