Subsequent Event (Details) - Subsequent Event [Member]	1 Months Ended
	May 08, 2020 USD ($)
Subsequent Event [Line Items]
CamdenResidentReliefFundAmount	$ 10,400,000
CamdenResidentReliefFundPersons	8,200
COVID related bonus to on-site and construction personnel	$ 3,000,000.0
CamdenCaresReliefFund	1,000,000.0
AmountsDonatedByCamdenExecutives [Domain]
Subsequent Event [Line Items]
CamdenCaresReliefFund	250,000
AmountDonatedbyCamden [Domain]
Subsequent Event [Line Items]
CamdenCaresReliefFund	750,000
Individual amount of CEO and EVC foregone comp related to COVID-19. [Domain]
Subsequent Event [Line Items]
Voluntary Executive Compensation Reduction due to COVID-19	500,000
CEO & EVC forgone comp to fund COVID bonus [Domain]
Subsequent Event [Line Items]
Voluntary Executive Compensation Reduction due to COVID-19	$ 1,000,000.0