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v3.19.2

Subsequent Events (Details) $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2019 USD ($) property | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($)
Subsequent Event [Line Items] |  |  |
Proceeds from the sale of real estate properties | $ |  | $ 87,172 | $ 30,142
Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Number of properties acquired | property | 53 |  |
Purchase price to acquire real estate | $ | $ 13,600 |  |
Number of internally developed properties developed | property | 34 |  |
Number of real estate properties sold | property | 110 |  |
Proceeds from the sale of real estate properties | $ | $ 21,900 |  |

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- Definition Number Of Internally Developed Properties + References No definition available. + Details
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Period Type: | duration

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- Definition Number Of Properties Acquired + References No definition available. + Details
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Namespace Prefix: | amh_
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- Definition Number Of Real Estate Properties Sold + References No definition available. + Details
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Namespace Prefix: | amh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition Cash received for the sale of real estate that is not part of an investing activity during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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