v3.26.1
Summary of Significant Accounting Policies - Summary of Changes in Liability For Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Balance at beginning of the year $ 520 $ 632
Liabilities settled (410) (5)
Revision of estimate (110) (112)
Accretion expense 0 5
Balance at end of the year 0 520
Asset Retirement Obligation [Abstract]    
Less amount classified as current - included in accounts payable and other accrued expenses 0 395
Noncurrent liabilities - included in other liabilities $ 0 $ 125