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Subsequent Event (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 09, 2022
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2020
Net of cash acquired   $ 90,278 $ 48,403 $ 292,053
Subsequent Event | Net CHB, LLC        
Net of cash acquired $ 38,700      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 60,000