Acquisitions and Dispositions - Acquisitions Narrative (Details) ft² in Millions, $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 31, 2021 USD ($) a ft² home	Dec. 31, 2021 USD ($) a	Dec. 31, 2020 asset
Asset Acquisition [Line Items]
Number of asset acquired | asset			0
Douglas Ranch Acquisition
Asset Acquisition [Line Items]
Area of land | a	37,000
Option for seller to reacquire interest	50.00%
Option for seller to reacquire interest, value	$ 33.8
Capital contribution	$ 270.6
Number of Homes | home	100,000
Area of Real Estate Property | ft²	55
Douglas Ranch Acquisition | Phoenix, Arizona
Asset Acquisition [Line Items]
Area of land | a	33,810
Purchase price of acquisition	$ 541.0
Trillium
Asset Acquisition [Line Items]
Purchase price of acquisition	$ 59.0	$ 59.0
Ownership interest (as a percent)	50.00%	50.00%
Trillium | Phoenix, Arizona
Asset Acquisition [Line Items]
Area of land | a	3,029	3,029
JDM Partners | Phoenix, Arizona
Asset Acquisition [Line Items]
Area of land | a		2,579
JDM Partners | Douglas Ranch Acquisition
Asset Acquisition [Line Items]
Asset acquisition, property for an additional amount	$ 236.8
JDM Partners | Douglas Ranch Acquisition | Maximum
Asset Acquisition [Line Items]
Acquisition option period	6 months