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v3.21.2

Commitments and Contingencies (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) property | Dec. 31, 2020 USD ($) property
Purchase Commitment [Line Items] |  |
Single-family properties sales in escrow | property | 43 | 97
Single-family properties sales in escrow, selling price | $ 14.4 | $ 24.0
Surety bond |  |
Purchase Commitment [Line Items] |  |
Surety bonds related to development contracts | 59.9 | 36.7
Single Family Properties |  |
Purchase Commitment [Line Items] |  |
Purchase price of commitment to acquire single-family properties | 183.0 | 81.7
Land |  |
Purchase Commitment [Line Items] |  |
Purchase price of commitment to acquire single-family properties | $ 197.6 | $ 72.3
Commitment To Acquire Properties |  |
Purchase Commitment [Line Items] |  |
Number of properties | property | 626 | 323

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