Organization and Basis of Presentation (Details) $ / shares in Units, shares in Millions						3 Months Ended		6 Months Ended	9 Months Ended
	Feb. 09, 2021 USD ($)	Aug. 17, 2020 USD ($)	Aug. 13, 2020 USD ($)	May 04, 2020 USD ($) $ / shares shares	May 07, 2019 USD ($)	Sep. 30, 2020 USD ($) property	Sep. 30, 2019 USD ($)	Feb. 09, 2021 USD ($)	Sep. 30, 2020 USD ($) property	Sep. 30, 2019 USD ($)	Oct. 19, 2020 $ / shares	Dec. 31, 2019 USD ($) property
Organization and Basis of Presentation [Line Items]
Total rental properties | property						14,494			14,494			14,545
Previous rentals identified for sale | property						104			104			181
Termination fee to AAMC						$ 46,000,000	$ 0		$ 46,000,000	$ 0
Payable to AAMC						34,967,000			34,967,000			$ 5,014,000
Amherst | Front Yard
Organization and Basis of Presentation [Line Items]
Termination fee				$ 25,000,000.0					25,000,000.0
Number of common stock shares acquired (in shares) | shares				4.4
Aggregate purchase price				$ 55,000,000.0
Share price (in dollars per share) | $ / shares				$ 12.50
Promissory Note | Amherst | Front Yard
Organization and Basis of Presentation [Line Items]
Principal amount of promissory note				$ 20,000,000.0
AAMC | Amended AMA | Affiliated entity
Organization and Basis of Presentation [Line Items]
Contract term					5 years
Automatic renewal term					1 year
Related party expenses					$ 3,584,000
AAMC | Termination Agreement | Affiliated entity
Organization and Basis of Presentation [Line Items]
Termination fee to AAMC			$ 46,000,000.0
Payment of related party termination fee		$ 15,000,000.0
Related party transaction, payment for asset acquisition		$ 3,200,000				3,200,000
Termination agreement, voting lockup period		1 year
Payable to AAMC						31,000,000.0			31,000,000.0
AAMC | Base management fees | Affiliated entity
Organization and Basis of Presentation [Line Items]
Related party expenses						$ 3,584,000	$ 3,584,000		$ 10,752,000	$ 10,686,000
Forecast | AAMC | Termination Agreement | Affiliated entity
Organization and Basis of Presentation [Line Items]
Payment of related party termination fee	$ 15,000,000.0
Payment of related party termination fee, subject to conditions, restrictions, and limitations	$ 16,000,000.0
Purchase price of Transferred Assets, operations and equity interests								$ 8,200,000
Consideration transferred, common stock								$ 5,000,000.0
Subsequent Event | Midway AcquisitionCo REIT | Front Yard
Organization and Basis of Presentation [Line Items]
Share price (in dollars per share) | $ / shares											$ 13.50