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Investing Receivables - Narrative (Details) - Investing Receivables - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrued interest receivable, net of allowance for credit losses | $ 4.5 | $ 3.2
Notes receivable, fair value disclosure | $ 84.0 | $ 72.0
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 | Minimum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Effective interest rate | 12.00% |
Other investing loans receivable | Maximum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Effective interest rate | 14.00% |

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