Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Capitalized interest	$ 3,500,000	$ 4,400,000	$ 12,800,000	$ 13,000,000
Capitalized real estate taxes	200,000	800,000	2,700,000	3,700,000
Remainder of 2021	290,500		290,500
2022	537,600		537,600
2023	5,300		5,300
2024	3,700		3,700
2025	3,100		3,100
Thereafter	11,100		11,100
Lessor, Operating Lease, Payments to be Received	851,300		851,300
Amortization of Intangible Assets	8,400,000	$ 300,000	10,900,000	$ 9,100,000
Amortization of Below Market Lease	$ 200,000		$ 200,000
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%

The amount of real estate or property taxes that were capitalized during the period.

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Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

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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.

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Amount of interest capitalized during the period.

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Amount of lease payments to be received by lessor for operating lease.

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Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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