Annual report pursuant to Section 13 and 15(d)

Investing Receivables - Narrative (Details)

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Investing Receivables - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accrued interest location Investing receivables (net of allowance for credit losses of $2,377 and $2,794, respectively)  
Investing Receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accrued interest receivable, net of allowance for credit losses $ 6.0 $ 2.9
Notes receivable, fair value disclosure $ 84.0 $ 87.0
Investing Receivables | Notes Receivable from the City of Huntsville | LW Redstone Company, LLC    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Interest rate 9.95%  
Notes receivable, maximum initial maturity term 30 years  
Investing Receivables | Other investing loans receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Interest rate 12.00%