Leases - Lease Income for Operating Leases (Parenthetical) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Disaggregation Of Revenue [Line Items]
Write off of straight line rent receivables	$ 2,850	[1]
COVID Related Write-off [Member]
Disaggregation Of Revenue [Line Items]
Write off of straight line rent receivables	$ 2,900

[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 year ended December 31, 2020.