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Shareholders' Equity / Partners' Capital - Noncontrolling Interest (Details) - Class A Units - Operating Partnership - shares | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Class of Stock [Line Items] |  |
Operating partnership units (in shares) | 374,220,238 | 368,383,440
American Residential Properties Inc. |  |
Class of Stock [Line Items] |  |
Percentage of units outstanding | 0.20% | 0.20%
Operating partnership units (in shares) | 596,990 | 596,990
AH LLC |  |
Class of Stock [Line Items] |  |
Ownership units owned (in shares) | 50,779,990 | 51,129,990
Percentage of units outstanding | 13.60% | 13.90%

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