Intangibles - Amortization of Deferred Leasing Costs and Acquisition Related Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Intangibles
Depreciation and amortization expense related to amortization of lease-up intangibles	$ 89,301	$ 46,828	$ 43,933
Rental and related revenues related to amortization of net below market lease liabilities	$ 11,717	$ 6,319	$ 5,341

This element represents the additional expense from amortization of lease-up and non-compete agreement intangibles.

No definition available.

Name:	peak_AmortizationOfLeaseUpAndNonCompeteAgreementIntangiblesAdditionalExpense
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration