MORTGAGE SERVICING RIGHTS AND MSR FINANCING RECEIVABLES - Summary of Reserve For Servicer Advances (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($)
Servicer Advances Reserve [Roll Forward]
Beginning balance	$ 65,428
Provision	20,053
Transfers and Other	0
Write-offs	(2,222)
Ending balance	$ 83,259

Servicer Advances, Reserve For Non-Recovery Advances, Increase (Decrease) During Period

No definition available.

Name:	ritm_ServicerAdvancesReserveForNonRecoveryAdvancesIncreaseDecreaseDuringPeriod
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration