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Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) ApartmentUnit Property $ / shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) $ / shares
Capitalized costs development and renovation | $ 15,600,000 | $ 13,900,000 |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.01 | $ 0.01 | $ 0.01
Provision for income tax | $ 900,000 | $ 915,000 | $ 852,000
Remaining AMT refund received |  |  | $ 1,600,000
Alternative minimum tax preference adjustment per share | $ / shares | $ (0.01) |  |
Alternative minimum tax preference adjustment disclosed under treasury regulation one year amounts disclosure per share | $ / shares | 0.00979 |  |
Alternative minimum tax preference adjustment disclosed under treasury regulation year three amounts disclosure per share | $ / shares | $ 0.00000 |  |
Properties | Property | 308 |  |
Noncontrolling Interests – Partially Owned Properties | $ (721,000) | $ 18,166,000 |
Apartment units | ApartmentUnit | 79,597 |  |
Partially Owned Properties – Consolidated |  |  |
Properties | Property | 15 |  |
Apartment units | ApartmentUnit | 3,114 |  |
Noncontrolling Interests – Partially Owned Properties | $ (700,000) |  |
Limited Life Partnership Properties [Member] |  |  |
Properties | Property | 2 |  |
Noncontrolling Interests – Partially Owned Properties | $ (4,900,000) |  |
Noncontrolling interests settlement value | 55,400,000 |  |
Federal [Member] |  |  |
Provision for income tax | $ 0 |  |
Minimum [Member] | Retail Commercial Leases [Member] |  |  |
Retail leases term | 5 years |  |
Maximum [Member] | Retail Commercial Leases [Member] |  |  |
Retail leases term | 10 years |  |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |
Property, plant and equipment, estimated useful lives | 5 years |  |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |
Property, plant and equipment, estimated useful lives | 10 years |  |
Building [Member] |  |  |
Property, plant and equipment, estimated useful lives | 30 years |  |
Replacements [Member] | Minimum [Member] |  |  |
Property, plant and equipment, estimated useful lives | 5 years |  |
Replacements [Member] | Maximum [Member] |  |  |
Property, plant and equipment, estimated useful lives | 10 years |  |
Renovations and building Improvements [Member] | Minimum [Member] |  |  |
Property, plant and equipment, estimated useful lives | 5 years |  |
Renovations and building Improvements [Member] | Maximum [Member] |  |  |
Property, plant and equipment, estimated useful lives | 15 years |  |
Corporate Office Leases [Member] | Maximum [Member] |  |  |
Remaining lease terms | 10 years |  |
Ground Leases [Member] |  |  |
Unsecured borrowing rates for actual pricing period used for calculating discount rate | 30 years |  |

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