MORTGAGE SERVICING RIGHTS AND MSR FINANCING RECEIVABLES - Summary of Reserve For Servicer Advances (Details) $ in Thousands	9 Months Ended
Sep. 30, 2023 USD ($)
Servicer Advances Reserve [Roll Forward]
Beginning balance	$ 65,428
Provision	58,214
Write-offs	(14,851)
Ending balance	$ 108,791

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