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Mortgage and Other Notes Receivable (Narrative) (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 31, 2024 USD ($) extensionOption | Jun. 30, 2024 USD ($) facility | Feb. 29, 2024 USD ($) extensionOption | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) property | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2024 property | Sep. 30, 2024 unit | Sep. 30, 2024 facility | Sep. 30, 2024 | Sep. 30, 2024 loan | Dec. 31, 2021 property
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of health care properties related to mortgage notes receivables | property |  |  |  |  |  |  |  |  | 17 |  |  |  |  |
Mortgage and other notes receivable, net of reserve |  |  |  | $ 19,411 |  | $ 19,411 |  | $ 15,476 |  |  |  |  |  |
Financing receivable, after allowance for credit loss |  |  |  | 232,550 |  | 232,550 |  | 245,271 |  |  |  |  |  |
Allowance for credit loss reserve |  |  |  | 3,600 |  |  |  |  |  |  |  |  |  |
Loans and leases agreement |  |  |  |  |  | 138,200 |  |  |  |  |  |  |  |
Number of underlying properties | property |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Interest income and other |  |  |  | 5,855 | $ 5,484 | 17,745 | $ 16,005 |  |  |  |  |  |  |
Increase rate in the amount of loss from a default |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |
Effective adjustment rate |  |  |  |  |  |  |  |  |  |  |  | 44.00% |  |
Nonperforming Financial Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, net |  |  |  | 26,447 |  | 26,447 |  |  |  |  |  |  |  |
between 1.0x and 1.5x | Nonperforming Financial Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, net |  |  |  | 14,500 |  | 14,500 |  |  |  |  |  |  |  |
Clear Sky Senior Living |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net |  |  |  | 1,100 |  | 1,100 |  |  |  |  |  |  |  |
Loans and leases agreement | $ 27,700 |  |  |  |  |  |  |  |  |  |  |  |  |
Term of loan agreement | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, stated interest rate | 9.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Number of loan extensions | extensionOption | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, renewal term | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
Compass Senior Living , LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases agreement |  | $ 9,500 |  |  |  |  |  |  |  |  |  |  |  |
Term of loan agreement |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, stated interest rate |  | 8.50% |  |  |  |  |  |  |  |  |  |  |  |
Number of mortgage facilities | facility |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
Carriage Crossing Senior Living |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases agreement |  |  | $ 15,000 |  |  |  |  |  |  |  |  |  |  |
Term of loan agreement |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Financing receivable, stated interest rate |  |  | 8.75% |  |  |  |  |  |  |  |  |  |  |
Number of loan extensions | extensionOption |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
Financing receivable, renewal term |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |
Contingent incentive payments |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
Montecito Medical Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net |  |  |  | 18,000 |  | 18,000 |  |  |  |  |  |  |  |
Interest income and other |  |  |  | 400 | 500 | 1,400 | 1,400 |  |  |  |  |  |  |
Loans and leases agreement |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |
Principal repaid |  |  |  |  |  | 2,100 |  |  |  |  |  |  |  |
Bickford |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net |  |  |  | 16,647 |  | 16,647 |  |  |  |  |  |  |  |
Properties |  |  |  |  |  |  |  |  | 1 |  | 39 |  |  |
Interest income and other |  |  |  | 300 | 1,000 | 300 | 1,000 |  |  |  |  |  |  |
Repayments of term loan |  |  |  | 100 | 300 | 100 | 300 |  |  |  |  |  |  |
Senior Living Communities, LLC (“Senior Living”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net |  |  |  | 42,896 |  | $ 42,896 |  |  |  |  |  |  |  |
Financing receivable, renewal term |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Revolving amount line of credit |  |  |  | 20,000 |  | $ 20,000 |  |  |  |  |  |  |  |
Revolving note receivable, amount outstanding |  |  |  | 10,300 |  | $ 10,300 |  |  |  |  |  |  |  |
Loans receivable facility bears interest rate |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |
Purchase option at a stated minimum price |  |  |  | 38,300 |  | $ 38,300 |  |  |  |  |  |  |  |
Mezzanine |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net of reserve |  |  |  | 10,000 |  | 10,000 |  |  |  |  |  |  |  |
Nonperforming Financial Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net of reserve |  |  |  | 16,000 |  | 16,000 |  | 11,900 |  |  |  |  |  |
Mortgage notes receivable, designated as nonperforming |  |  |  |  |  | 1,900 |  | $ 2,100 |  |  |  |  |  |
Interest income and other |  |  |  | 300 | $ 500 | 1,300 | $ 1,400 |  |  |  |  |  |  |
Secured By Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net |  |  |  | 163,200 |  | 163,200 |  |  |  |  |  |  |  |
Not Secured By Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other notes receivable, net |  |  |  | 88,800 |  | $ 88,800 |  |  |  |  |  |  |  |
Property Held by Fund | Montecito Medical Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of medical office buildings | property |  |  |  |  |  | 7 |  |  |  |  |  |  |  |
Combined purchase price of medical office buildings |  |  |  |  |  | $ 76,400 |  |  |  |  |  |  |  |
Fully Funded | Bickford |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases agreement |  |  |  |  |  | 14,700 |  |  |  |  |  |  |  |
Number of construction loans | loan |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Bickford |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note receivable interest rate |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Bickford Note Investment | Unlikely to be Collected Financing Receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage increase from sale of real estate |  |  |  |  |  | 12,400 |  |  |  |  |  |  |  |
Negotiations to sale | Bickford |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  | 6
After 2021 | Senior Living Communities, LLC (“Senior Living”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving amount line of credit |  |  |  | $ 15,000 |  | 15,000 |  |  |  |  |  |  |  |
July 2019 Transaction | Senior Living Communities, LLC (“Senior Living”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases agreement |  |  |  |  |  | $ 32,700 |  |  |  |  |  |  |  |
Annual interest rate from master credit agreement |  |  |  |  |  |  |  |  |  |  |  | 7.25% |  |
June 2019 Transaction | Senior Living Communities, LLC (“Senior Living”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  |  |  |  |  |  |  | 248 |  |  |  |

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- Definition The reference rate for variable rate loans receivable, such as LIBOR or the US Treasury rate. + References No definition available. + Details
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- Definition This concept reflects the interest rate to be received on a loan receivable. + References No definition available. + Details
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- Definition This item represents the interest rate to be received for outstanding borrowings under a master credit agreement. + References No definition available. + Details
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- Definition Number Of Mortgage Note Receivable Facilities + References No definition available. + Details
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- Definition This item represents the estimated increase in the probability of default as part of managements assessment of estimated credit losses based on current economic conditions. + References No definition available. + Details
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- Definition This item represents the minimum amount of a purchase option when the agreement indicates the greater of this amount of fair value. + References No definition available. + Details
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- Definition Amount, before allowance for credit loss, of accrued interest on financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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