Mortgage Servicing - Schedule of Composition of Servicing UPB (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Transfers and Servicing [Abstract]
Owned MSRs	$ 91,284,985	$ 90,174,495	$ 70,741,200
NRZ pledged MSRs	61,841,181	64,061,198	70,914,910
Total recognized MSRs	$ 153,126,166	$ 154,235,693	$ 141,656,110

This amount represents the unpaid principal balance of loans serviced for which rights to mortgage servicing rights have been sold.

No definition available.

Name:	ocn_ServicingPortfolioOfLoansForWhichRightsToMortgageServicingRightsSold
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant