Fair Value Measurements - Impaired Assets, Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investments in single-family residential properties, net held for use and held for sale impairment adjustments
Total impairments	$ (1,442)	$ (4,076)	$ (3,913)	$ (7,329)
Fair Value, Measurements, Nonrecurring | Level 3 | Rental Properties
Investments in single-family residential properties, net held for use and held for sale impairment adjustments
Pre-impairment amount	6,994	12,090	17,794	31,114
Total impairments	(1,353)	(2,288)	(3,824)	(5,511)
Fair value	5,641	9,802	13,970	25,603
Fair Value, Measurements, Nonrecurring | Level 3 | Rental Properties
Investments in single-family residential properties, net held for use and held for sale impairment adjustments
Pre-impairment amount	451	7,313	451	7,553
Total impairments	(89)	(1,788)	(89)	(1,818)
Fair value	$ 362	$ 5,525	$ 362	$ 5,735