Related Party Transactions	12 Months Ended
Dec. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions As of December 31, 2017 and 2016, affiliates owned approximately 12.1% and 11.4%, respectively, of the Company’s outstanding Class A common shares. On a fully-diluted basis, affiliates held (including consideration of 635,075 Class B common shares and 54,018,819 Class A units as of December 31, 2017 and 2016) an approximate 26.1% and 27.6% interest at December 31, 2017 and 2016, respectively. Concurrently with the Company's public offering of Class A common shares in the first quarter of 2017, the Chairman of the Company's Board of Trustees, B. Wayne Hughes, purchased $50.0 million of the Company's Class A common shares in a private placement at the public offering price. The Operating Partnership issued an equivalent number of corresponding Class A units to AH4R in exchange for the net proceeds from the issuance. American Homes 4 Rent As of December 31, 2017, the Company had $4.7 million of accrued common and preferred distributions, which was included in amounts payable to affiliates in the Company's consolidated balance sheets, compared to a receivable from affiliates of $5.2 million as of December 31, 2016, primarily related to expense reimbursements due from a joint venture, which was included in escrow deposits, prepaid expenses and other assets within the Company's consolidated balance sheets. American Homes 4 Rent, L.P. As of December 31, 2017, the Operating Partnership had a receivable from affiliates of $25.7 million related to the asset-backed securitization certificates held by AH4R, which was included in amounts due from affiliates in the Operating Partnership's consolidated balance sheets, and had amounts payable to affiliates of $4.7 million related to accrued common and preferred distributions, which was included in amounts payable to affiliates in the Operating Partnership's consolidated balance sheets. As of December 31, 2016, the Operating Partnership has a receivable from affiliates of $30.9 million related to the asset-backed securitization certificates held by AH4R, as well as expense reimbursements due from a joint venture, which was included in amounts due from affiliates within the Operating Partnership's consolidated balance sheets.

Related Party Transactions

As of December 31, 2017 and 2016, affiliates owned approximately 12.1% and 11.4%, respectively, of the Company’s outstanding Class A common shares. On a fully-diluted basis, affiliates held (including consideration of 635,075 Class B common shares and 54,018,819 Class A units as of December 31, 2017 and 2016) an approximate 26.1% and 27.6% interest at December 31, 2017 and 2016, respectively.

Concurrently with the Company's public offering of Class A common shares in the first quarter of 2017, the Chairman of the Company's Board of Trustees, B. Wayne Hughes, purchased $50.0 million of the Company's Class A common shares in a private placement at the public offering price. The Operating Partnership issued an equivalent number of corresponding Class A units to AH4R in exchange for the net proceeds from the issuance.

American Homes 4 Rent

As of December 31, 2017, the Company had $4.7 million of accrued common and preferred distributions, which was included in amounts payable to affiliates in the Company's consolidated balance sheets, compared to a receivable from affiliates of $5.2 million as of December 31, 2016, primarily related to expense reimbursements due from a joint venture, which was included in escrow deposits, prepaid expenses and other assets within the Company's consolidated balance sheets.

American Homes 4 Rent, L.P.

As of December 31, 2017, the Operating Partnership had a receivable from affiliates of $25.7 million related to the asset-backed securitization certificates held by AH4R, which was included in amounts due from affiliates in the Operating Partnership's consolidated balance sheets, and had amounts payable to affiliates of $4.7 million related to accrued common and preferred distributions, which was included in amounts payable to affiliates in the Operating Partnership's consolidated balance sheets. As of December 31, 2016, the Operating Partnership has a receivable from affiliates of $30.9 million related to the asset-backed securitization certificates held by AH4R, as well as expense reimbursements due from a joint venture, which was included in amounts due from affiliates within the Operating Partnership's consolidated balance sheets.