v3.26.1
Equity - Preferred Units (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended 12 Months Ended
Oct. 15, 2025
USD ($)
shares
Jan. 01, 2025
$ / shares
Nov. 21, 2024
USD ($)
Apr. 30, 2026
$ / shares
shares
Jan. 31, 2026
$ / shares
shares
Sep. 30, 2024
USD ($)
Mar. 31, 2026
USD ($)
subclass
$ / shares
shares
Mar. 31, 2025
USD ($)
$ / shares
shares
Sep. 30, 2025
Class of Stock [Line Items]                  
Preferred stock, shares authorized (in shares)             250,000,000 250,000,000  
Preferred stock, par value (in dollars per share) | $ / shares             $ 0.001 $ 0.001  
Accrued BCH Preferred A-0 guaranteed payment (Note 13) | $             $ 75,154 $ 56,425  
Potential exchange price (in usd per share) | $ / shares             $ 6,720    
Number of days preceding exchange date             20 days    
Reclass of BCH Preferred A-1 Unit Accounts from temporary to permanent equity | $ [1]               $ 160,526  
Series A Preferred Stock                  
Class of Stock [Line Items]                  
Preferred stock, shares authorized (in shares)             50,000,000    
Preferred stock, shares outstanding (in shares)             0 0  
Preferred stock, shares issued (in shares)             0 0  
Preferred stock, par value (in dollars per share) | $ / shares             $ 0.001    
Convertible preferred stock, shares issued upon conversion (in shares)             0.25    
Series B-1 preferred stock                  
Class of Stock [Line Items]                  
Preferred stock, shares authorized (in shares)             5,900,000    
Preferred stock, shares outstanding (in shares)             1,831,343 363,125  
Preferred stock, shares issued (in shares)             1,831,343 363,125  
Preferred stock, par value (in dollars per share) | $ / shares             $ 0.001    
Preferred stock, number of subclasses issued | subclass             9    
Preferred stock, number of subclasses outstanding | subclass             8    
Liquidation preference (in dollars per share) | $ / shares             $ 10.00    
Conversion of stock, initial conversion price minimum, percentage             75.00%    
Calendar days after original issuance date             210 days    
Anniversary of original issuance date             1 year    
Annual conversion limit             4.99%    
Series B-1 preferred stock | Minimum                  
Class of Stock [Line Items]                  
Conversion price (in dollars per share) | $ / shares             $ 1.79    
Series B-1 preferred stock | Maximum                  
Class of Stock [Line Items]                  
Conversion price (in dollars per share) | $ / shares             $ 256.00    
Preferred Series B Subclass 5                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)             136,193    
Conversion price (in dollars per share) | $ / shares             $ 5.55    
Series B Resettable Convertible Preferred Stock                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)             1,482,219    
Preferred Series B Subclass 6                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)             965,576    
Preferred Series B Subclass 7                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)             23,333    
Price per unit (in dollars per share) | $ / shares         $ 2.38        
Preferred Series B Subclass 7 | Preferred Series B Subclass 7 Converted to Class A Common Stock, Tranche One                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)         11,667        
Preferred Series B Subclass 7 | Preferred Series B Subclass 7 Converted to Class A Common Stock, Tranche Two                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)         2,334        
Preferred Series B Subclass 8                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)             191,037    
Preferred Series B Subclass 9                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)             302,273    
Preferred Series B Subclass 9 | Subsequent Event                  
Class of Stock [Line Items]                  
Issuance of stock (in shares)       875,214          
Class A                  
Class of Stock [Line Items]                  
Valuation (in dollars per share) | $ / shares             $ 10.00    
Conversion of stock, initial conversion price minimum, percentage             50.00%    
Units issuable (in shares)             6,928,228    
Annual conversion limit             9.99%    
Shares issued in connection to conversion (in shares) 12,661,786                
Units outstanding (in shares) 13,844,818           14,418,000 1,059,000  
Class A | Subsequent Event                  
Class of Stock [Line Items]                  
Conversion price (in dollars per share) | $ / shares       $ 1.2418          
Class A | Preferred Series B Subclass 7 Converted to Class A Common Stock, Tranche One                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)         48,955        
Class A | Preferred Series B Subclass 7 Converted to Class A Common Stock, Tranche Two                  
Class of Stock [Line Items]                  
Conversion of stock (in shares)         9,794        
Preferred Series B Subclass 10 | Subsequent Event                  
Class of Stock [Line Items]                  
Conversion price (in dollars per share) | $ / shares       $ 3.5479          
Preferred stock, convertible, maximum shares issuable (in shares)       7,047,947          
Preferred Series B Subclass 1                  
Class of Stock [Line Items]                  
Preferred stock, conversions, months after issuance date, maximum             60 months    
Preferred Series A Subclass 0                  
Class of Stock [Line Items]                  
Quarterly guaranteed payment, annual basis             6.00%    
Quarterly guaranteed payment, fiscal quarter basis             1.50%    
Accrued BCH Preferred A-0 guaranteed payment (Note 13) | $             $ 74,400 $ 55,500  
Percentage redeemable             12.50%    
Maximum percentage redeemable           50.00% 50.00%   50.00%
Convertible shares of preferred stock, percentage redeemable             12.50%    
Redemption of preferred stock, maximum percentage of capital account balance non redeemable           50.00%     50.00%
Reclass of BCH Preferred A-1 Unit Accounts from temporary to permanent equity | $           $ 125,500      
BCH Preferred Series A-0 Non-Redeemable                  
Class of Stock [Line Items]                  
Reclass of BCH Preferred A-1 Unit Accounts from temporary to permanent equity | $     $ 35,000            
BCH Preferred Series A-1                  
Class of Stock [Line Items]                  
Annual conversion limit   20.00%              
Weighted average preferred return rate             6.30% 1.70%  
Deemed dividend | $             $ 169,800    
Maximum conversion price (in dollars per share) | $ / shares   $ 11,520              
Number of days preceding exchange date   30 days              
Limit on indebtedness, capital percent of NAV threshold             55.00%    
Limit on indebtedness, debt percent of NAV threshold             40.00%    
Conversion of stock, amount converted | $ $ 52,600                
[1] Periods presented have been adjusted to reflect the 1-for-8 reverse stock split on December 15, 2025. See Note 1 - Summary of Significant Accounting Policies - Reverse Stock Split, for additional information.