Investing Receivables - Investing Receivables (Details) - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Allowance for credit losses | $ (4,040) | |
| Investing Receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Amortized cost basis | 78,176 | $ 73,523 |
| Allowance for credit losses | (4,040) | 0 |
| Investing receivables, net | 74,136 | 73,523 |
| Investing Receivables | Notes receivable from the City of Huntsville | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Amortized cost basis | 64,009 | 59,427 |
| Investing Receivables | Other investing loans receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Amortized cost basis | $ 14,167 | $ 14,096 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allowance for credit loss, of financing receivable. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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