MORTGAGE SERVICING RIGHTS AND MSR FINANCING RECEIVABLES - Summary of Reserve For Servicer Advances (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($)
Servicer Advances Reserve [Roll Forward]
Beginning balance	$ 32,122
Provision	5,328
Transfers and Other	0
Write-offs	(91)
Ending balance	$ 37,359

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

No definition available.

Name:	nrz_ServicerAdvancesReserveForNonRecoveryAdvancesIncreaseDecreaseDuringPeriod
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration