Land, Property and Equipment, Net - Asset Acquisition Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) building
MPP | Land
Asset Acquisition [Line Items]
Acquired value	$ 3.7
MPP | Buildings
Asset Acquisition [Line Items]
Acquired value	10.8
AMG Properties | Land
Asset Acquisition [Line Items]
Acquired value	1.5
AMG Properties | Buildings
Asset Acquisition [Line Items]
Acquired value	0.4
ZLL | Land
Asset Acquisition [Line Items]
Acquired value	1.2
ZLL | Buildings
Asset Acquisition [Line Items]
Acquired value	$ 1.5
APC | MPP
Asset Acquisition [Line Items]
Asset acquisition, percentage of shares acquired	100.00%
Asset acquisition, purchase price	$ 9.0
APC | AMG Properties
Asset Acquisition [Line Items]
Asset acquisition, percentage of shares acquired	100.00%
Asset acquisition, purchase price	$ 1.2
APC | ZLL
Asset Acquisition [Line Items]
Asset acquisition, percentage of shares acquired	100.00%
Asset acquisition, purchase price	$ 2.0
APC | MPP, AMG Properties, and ZLL Asset Acquisition
Asset Acquisition [Line Items]
Asset acquisition, percentage of shares acquired	100.00%
Asset acquisition, purchase price	$ 12.2
Number of assets acquired | building	4