v3.26.1
Investment in Equity Securities - Summary of Assets, Liabilities, and Maximum Exposure with Unconsolidated VIEs (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Related Party Transaction [Line Items]    
Asset acquisition purchase consideration $ 20,000 $ 0
Investments [1] 68,087 54,337
Total assets 672,437 641,861
Liability for issuance of shares of common stock 5,000 0
Total liabilities 226,698 168,903
Related Party | Variable Interest Entity, Not Primary Beneficiary    
Related Party Transaction [Line Items]    
Other receivables 2 290
Investments 53,900 53,900
Sublease security deposit 170 170
Nonrelated Party | Variable Interest Entity, Not Primary Beneficiary    
Related Party Transaction [Line Items]    
Asset acquisition purchase consideration 20,000 0
Investments 68,087 54,337
Promissory note receivable 1,952 1,783
Total assets 90,041 56,410
Liability for issuance of shares of common stock 5,000 0
Total liabilities 5,170 170
Maximum exposures to VIEs $ 90,041 $ 56,410
[1] Includes related party balances, see Note 12 - Related Party Transactions