Mortgage Servicing - Schedule of Composition of Servicing UPB (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020
Transfers and Servicing [Abstract]
Owned MSRs	$ 148,882,743	$ 91,284,985	$ 90,174,495	$ 70,243,789
NRZ pledged MSRs	59,038,668	61,841,181	64,061,198	68,490,109
Total MSR UPB	$ 207,921,411	$ 153,126,166	$ 154,235,693	$ 138,733,898

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