Basis of Presentation and Summary of Significant Accounting Policies - Lease Income for Operating Leases (Parenthetical) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Disaggregation Of Revenue [Line Items]
Write off of straight line rent receivables	$ 2,927	[1]
COVID Related Write-off [Member]
Disaggregation Of Revenue [Line Items]
Write off of straight line rent receivables	2,900
Deferred leasing costs	$ 2,400

[1] We monitor the collectability of all unpaid rent amounts. The onset of COVID-19 and the anticipated economic slowdown resulted in a $2.9 million write-off of accrued straight-line rent during the nine months ended September 30, 2020. Additionally, we wrote-off the related deferred leasing costs of $2.4 million during the nine months ended September 30, 2020. The write-offs of deferred leasing costs are recorded in depreciation and amortization in our condensed consolidated statements of operations.