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SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION - Property Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Investments in Real Estate |  |
Balance, beginning of period | $ 642,702 | $ 637,205
Additions: |  |
Improvements | 10,548 | 5,907
Property acquisitions | 10,756 | 2,933
Deductions: |  |
Retirements | (3,593) | (3,343)
Balance, end of period | 660,413 | 642,702
Accumulated Depreciation |  |
Balance, beginning of period | (144,718) | (131,165)
Additions: depreciation | (17,282) | (16,896)
Assets held for sale | 0 | 0
Asset sales | 0 | 0
Retirements | 3,593 | 3,343
Balance, end of period | $ (158,407) | $ (144,718)

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column F)) -URI https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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