Investments - Allowance for Credit Loss (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Investments [Abstract] | ||
| Beginning balance | $ 385,000 | $ 480,000 |
| Provision for change in allowance | 120,000 | (95,000) |
| Ending balance | 505,000 | 385,000 |
| Mortgage Loans [Member] | ||
| Investments [Abstract] | ||
| Beginning balance | 220,000 | 235,000 |
| Provision for change in allowance | 190,000 | (15,000) |
| Ending balance | 410,000 | 220,000 |
| Notes Receivable [Member] | ||
| Investments [Abstract] | ||
| Beginning balance | 135,000 | 195,000 |
| Provision for change in allowance | (65,000) | (60,000) |
| Ending balance | 70,000 | 135,000 |
| Unfunded Loan Commitments [Member] | ||
| Investments [Abstract] | ||
| Beginning balance | 30,000 | 50,000 |
| Provision for change in allowance | (5,000) | (20,000) |
| Ending balance | $ 25,000 | $ 30,000 |
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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://www.xbrl.org/2003/role/disclosureRef
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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 expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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