SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Single-Family Rental Properties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Single-Family Rental Properties [Roll Forward]
Beginning balance	$ 41,271	$ 24,133
Acquisitions and capital improvements	544,850	17,763
Dispositions	(442)	0
Reclassifications to SFR properties, held for sale, net of dispositions	0	0
Write-offs	0	0
Accumulated depreciation	(6,072)	(625)
Ending balance	$ 579,607	$ 41,271