XML 69 R54.htm IDEA: XBRL DOCUMENT
v3.25.1

Organization and Basis of Presentation - Narrative (Details) | Mar. 31, 2025 employee numberOfEmployees
--- | ---
Description of Business and Basis of Presentation [Line Items] |
Total number of employees | 4,200
MAV Canopy HoldCo I, LLC |
Description of Business and Basis of Presentation [Line Items] |
Ownership percentage | 15.00%
INDIA |
Description of Business and Basis of Presentation [Line Items] |
Total number of employees | employee | 2,800
PHILIPPINES |
Description of Business and Basis of Presentation [Line Items] |
Total number of employees | 400

X
- Definition Number of persons employed by the Entity + References No definition available. + Details
Name: | dei_EntityNumberOfEmployees
Namespace Prefix: | dei_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ProductInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=onit_MAVCanopyHoldCoILLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_IN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_PH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |