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Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Capitalized interest | $ 4,400,000 | $ 4,100,000 | $ 9,200,000 | $ 8,600,000
Capitalized real estate taxes | 1,100,000 | 1,300,000 | 2,500,000 | 2,800,000
Remainder of 2021 | 452,400 |  | 452,400 |
2022 | 261,200 |  | 261,200 |
2023 | 4,300 |  | 4,300 |
2024 | 3,500 |  | 3,500 |
2025 | 2,900 |  | 2,900 |
Thereafter | 10,600 |  | 10,600 |
Lessor, Operating Lease, Payments to be Received | 734,900 |  | 734,900 |
Amortization of Intangible Assets | $ 2,500,000 | $ 4,200,000 | $ 2,500,000 | $ 8,800,000
Residential Leases [Member] | Maximum [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Term of lease contract | 14 months |  | 14 months |
Camden Operating L P [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Outstanding common limited partnership units, ownership interest |  |  | 93.00% |
General Partner of Consolidated Operating Partnerships, Ownership Interest |  |  | 1.00% |
Camden Summit Partnership L P [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Outstanding common limited partnership units, ownership interest |  |  | 95.00% |
General Partner of Consolidated Operating Partnerships, Ownership Interest |  |  | 1.00% |

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