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Stock Acquisition Rights, Stock Options and Warrants - Share Repurchase Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2021
May 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]          
Number of shares repurchased (in shares) 20,132 20,132 252,000 0 0
Average price paid per share (in dollars per share)     $ 57.50 $ 0 $ 0
Total cost to repurchase     $ 14,962 $ 0 $ 0