Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Feb. 13, 2020	Jun. 30, 2019
Entity Information [Line Items]
Document Type	10-K
Title of 12(b) Security	Common Shares of Beneficial Interest, $.01 par value
City Area Code	(713)
Local Phone Number	354-2500
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
Security Exchange Name	NYSE
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity File Number	1-12110
Entity Registrant Name	CAMDEN PROPERTY TRUST
Entity Central Index Key	0000906345
Trading Symbol	CPT
Document Period End Date	Dec. 31, 2019
Amendment Flag	false
Entity Shell Company	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Public Float			$ 10,045,538,849
Share Price	$ 104.39
Entity Common Stock, Shares Outstanding		97,326,277