| DEI Document - USD ($) | 12 Months Ended | ||
| Dec. 31, 2019 | Feb. 13, 2020 | Jun. 30, 2019 | |
| DEI Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Title of 12(b) Security | Common Shares of Beneficial Interest, $.01 par value | ||
| Entity Incorporation, State or Country Code | TX | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Entity Tax Identification Number | 76-6088377 | ||
| Entity Address, Address Line One | 11 Greenway Plaza, Suite 2400 | ||
| Entity Address, City or Town | Houston, | ||
| Entity Address, State or Province | TX | ||
| Entity Address, Postal Zip Code | 77046 | ||
| Trading Symbol | CPT | ||
| Security Exchange Name | NYSE | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| Entity Central Index Key | 0000906345 | ||
| Document Period End Date | Dec. 31, 2019 | ||
| Entity File Number | 1-12110 | ||
| Amendment Flag | true | ||
| Amendment Description | This Amendment No. 1 to the Annual Report on Form 10-K of Camden Property Trust (the “Company”) for the year ended December 31, 2019, as filed with the Securities and Exchange Commission (the “SEC”) on February 20, 2020 (the “Original Form 10-K”), is being filed for the sole purpose of updating the exhibits to the Original Form 10-K to include Exhibit 4.14, which was inadvertently omitted from the Original Form 10-K as a result of an administrative error. Exhibit 4.14 sets forth the description of the Company’s common shares contained in its Registration Statement on Form 8-A filed with the SEC on June 21, 1993 and is incorporated into the Original Form 10-K by reference. | ||
| Document Fiscal Year Focus | 2019 | ||
| Document Fiscal Period Focus | FY | ||
| Current Fiscal Year End Date | --12-31 | ||
| Entity Registrant Name | CAMDEN PROPERTY TRUST | ||
| City Area Code | -713 | ||
| Local Phone Number | 354-2500 | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 10,045,538,849 | ||
| Share Price | $ 104.39 | ||
| Entity Common Stock, Shares Outstanding | 97,326,277 |
