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Organization and Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jan. 31, 2023 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Accounting Policies [Line Items] |  |  |  |
Interest costs capitalized |  | $ 405,000 | $ 98,000 |
Revenue recognized on cash basis |  | 15,565,000 | 15,786,000 |
Revolving credit facility borrowing capacity |  | 891,000,000,000 |  |
Classified as held for sale |  | 3,410,000 |  | $ 786,000
Write-off of outstanding receivables and related accrued rent |  | 232,000 | $ 0 |
Increase in ROU asset and operating lease liability | $ 6,401,000 |  |  |
Escrow and other restricted accounts |  | $ 2,086,000 |  | 4,273,000
Land Improvements [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Property estimated useful life |  | 15 years |  |
Mortgage loan |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Mortgage receivable |  | $ 1,426,000 |  | 1,530,000
Allowance for credit loss |  | $ 91,000 |  | 98,000
Collectability analysis, period used |  | 15 years |  |
Minimum | Building and Building Improvements [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Property estimated useful life |  | 20 years |  |
Maximum | Building and Building Improvements [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Property estimated useful life |  | 40 years |  |
Line of Credit |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  | $ 1,100,000,000 |  |
Loans Payable |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Debt costs |  | 38,145,000 |  | 38,145,000
Debt costs accumulated amortization |  | $ 12,316,000 |  | $ 11,693,000

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- Definition Amount of accumulated amortization of debt issuance costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 440 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629 + Details
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