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Organization and Summary of Significant Accounting Policies (Narrative) (Details) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) Segment | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Apr. 30, 2024 USD ($)
Accounting Policies [Line Items] |  |  |  |  |  |  |
Interest costs capitalized |  | $ 457,000 | $ 1,268,000 | $ 1,920,000 | $ 4,744,000 |  |
Revenue recognized on cash basis |  | 10,050,000 | $ 10,446,000 | 25,366,000 | 31,330,000 |  |
Revolving credit facility borrowing capacity |  | 1,200,000,000 |  | $ 1,200,000,000 |  |  |
Number of Operating Segments | Segment |  |  |  | 1 |  |  |
Classified as held for sale | [1] | 22,863,000 |  | $ 22,863,000 |  | $ 283,000 |
Write-off of outstanding receivables and related accrued rent |  |  |  | 2,471,000 | $ 709,000 |  |
Escrow and other restricted accounts |  | $ 776,000 |  | $ 776,000 |  | 331,000 |
Land Improvements [Member] |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Property estimated useful life |  | 15 years |  | 15 years |  |  |
Mortgage loan |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Mortgage receivable |  |  |  |  |  | 454,000 |
Allowance for credit loss |  |  |  |  |  | 9,000 |
Minimum |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Initial lease term |  |  |  | 10 years |  |  |
Minimum | Building and Building Improvements [Member] |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Property estimated useful life |  | 20 years |  | 20 years |  |  |
Maximum |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Initial lease term |  |  |  | 20 years |  |  |
Maximum | Building and Building Improvements [Member] |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Property estimated useful life |  | 40 years |  | 40 years |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  | $ 1,200,000,000 |  | $ 1,200,000,000 |  |  | $ 1,100,000,000
Loans Payable |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |
Debt costs |  | 48,020,000 |  | 48,020,000 |  | 43,820,000 |
Debt costs accumulated amortization |  | $ 16,463,000 |  | $ 16,463,000 |  | $ 14,060,000 |
[1] |
(2) | As of September 30, 2025, 15 Properties were classified as held for sale. The two properties classified as held for sale as of December 31, 2024 were sold during the nine months ended September 30, 2025.

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