Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Feb. 07, 2019	Jun. 30, 2018
Entity Information [Line Items]
Entity Public Float			$ 8,386,569,325
Share Price			$ 91.13
Entity Registrant Name	CAMDEN PROPERTY TRUST
Entity Central Index Key	0000906345
Trading Symbol	CPT
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		93,259,373
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes