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Schedule III - Consolidated Real Estate and Accumulated Depreciation - Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Investment in real estate: |  |  |
Balance, beginning of year | $ 879,596 | $ 837,641 | $ 839,058
Addition: Land, buildings and improvements | 18,176 | 59,654 | 28,837
Deduction: Properties sold | (33,117) | (17,699) | (28,064)
Deduction: Property held-for-sale |  |  | (2,190)
Balance, end of year | 864,655 | 879,596 | 837,641
Accumulated depreciation: |  |  |
Balance, beginning of year | 173,143 | 160,664 | 147,136
Addition: Depreciation | 19,242 | 18,471 | 17,694
Deduction: Accumulated depreciation related to properties sold | (9,680) | (5,992) | (3,246)
Deduction: Accumulated depreciation related to property held-for-sale |  |  | (920)
Balance, end of year | 182,705 | $ 173,143 | $ 160,664
Other disclosures |  |  |
Amount by which aggregate cost of the properties is higher for federal income tax purposes | $ 20,749 |  |

X
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- Definition Amount of decrease to accumulated depreciation for real estate investments held-for-sale for entities with a substantial portion of business acquiring and holding investment real estate. + References No definition available. + Details
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- Definition Amount of real estate investments held-for-sale for entities with a substantial portion of business acquiring and holding investment real estate. + References No definition available. + Details
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- Definition Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column F)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
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- Definition Amount of decrease to accumulated depreciation for real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
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- Definition Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
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- Definition Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
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