Debt Instrument, Extension Term

No definition available.

Name:	opfi_DebtInstrumentExtensionTerm
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- Definition

Debt Instrument, Initial Draw Six Months After Close, Principal Amount

+ References

No definition available.

+ Details

Name:	opfi_DebtInstrumentInitialDrawSixMonthsAfterClosePrincipalAmount
Namespace Prefix:	opfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Original Issuance Discount, Percentage

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Semi-Annual Amortization Payments, Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	opfi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Subsequent Draws, Principal Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	opfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Exercise Of Warrants, Shares

+ References

No definition available.

+ Details

Name:	opfi_ExerciseOfWarrantsShares
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Name Accounting Standards Codification
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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
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+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period between issuance and maturity of debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

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+ Details

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=opfi_TermLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	opfi_InterestRateComponentAxis=opfi_InterestRateComponentOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	opfi_InterestRateComponentAxis=opfi_InterestRateComponentTwoMember
Namespace Prefix:
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Subsequent Events (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
Subsequent Events (Details) - USD ($) $ in Thousands	Aug. 10, 2026	Jul. 19, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Class A Common Stock \| Common Stock
Subsequent Event [Line Items]
Exercise of warrants (in shares)			0	200	0	275
Subsequent Event \| Secured Debt \| Term Loan Agreement
Subsequent Event [Line Items]
Debt instrument, face amount	$ 100,000
Original issuance discount, percentage	1.25%
Debt term	4 years
Debt instrument, extension term	1 year
Semi-annual amortization payments, percentage	10.00%
Debt instrument, initial draw, principal amount	$ 75,000
Debt instrument, subsequent draws, principal amount	$ 5,000
Subsequent Event \| Secured Debt \| Term Loan Agreement \| Interest Rate Component One
Subsequent Event [Line Items]
Interest rate	12.50%
Subsequent Event \| Secured Debt \| Term Loan Agreement \| Interest Rate Component Two
Subsequent Event [Line Items]
Interest rate	13.50%
Subsequent Event \| Class A Common Stock \| Common Stock
Subsequent Event [Line Items]
Exercise of warrants (in shares)		100