Quarterly report [Sections 13 or 15(d)]

Investing Receivables - Narrative (Details)

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Investing Receivables - Narrative (Details) - Investing Receivables - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accrued interest receivable, net of allowance for credit losses $ 2.3 $ 3.8
Notes receivable from the City of Huntsville | LW Redstone Company LLC    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Interest rate 9.95%  
Other investing loans receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Effective interest rate 12.00%