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Real Estate (Amortization of Acquired Lease Intangibles) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Above-Market and Below-Market In-Place Lease Intangibles |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortization expense, above- and below-market leases |  | $ 430,000 |  | $ 510,000 | $ 710,000
2024 | [1] | 451,000 |  |  |
2025 | [1] | 437,000 |  |  |
2026 | [1] | 448,000 |  |  |
2027 | [1] | 468,000 |  |  |
2028 | [1] | 642,000 |  |  |
Thereafter | [1] | 6,464,000 |  |  |
Leases, net | [1] | $ 8,910,000 |  |  |
Weighted average amortization period (years) | [1] | 16 years 3 months 18 days |  |  |
In-Place Lease Intangibles |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortization expense, in-place leases |  | $ 6,793,000 |  | 7,132,000 | $ 7,687,000
2024 | [2] | 6,139,000 |  |  |
2025 | [2] | 5,421,000 |  |  |
2026 | [2] | 4,835,000 |  |  |
2027 | [2] | 4,010,000 |  |  |
2028 | [2] | 3,566,000 |  |  |
Thereafter | [2] | 13,499,000 |  |  |
Leases, net |  | $ 37,470,000 | [2] | $ 44,523,000 |
Weighted average amortization period (years) | [2] | 8 years 6 months |  |  |
[1] | Recorded as a net increase to rental income over the life of the lease.
[2] | Amortized as an increase to amortization expense.

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- Definition Amount of non-cash amortization of intangible asset (liability) for above and below market leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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