Line of Credit Facility, Amount Committed

No definition available.

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Namespace Prefix:	aurcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-8

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

+ Details

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

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aurcu_FundingFacility1DueMarch22027Member
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Data Type:	na
Balance Type:
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- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aurcu_FundingFacility3DueApril52026Member
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Mortgage Loans Held for Sale and Warehouse Lines of Credit - Schedule of Outstanding Warehouse Lines of Credit (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	May 11, 2026	Dec. 31, 2025
Short-Term Debt [Line Items]
Facility Size	$ 750,000
Warehouse lines of credit	507,581		$ 411,862
Warehouse Agreement Borrowings
Short-Term Debt [Line Items]
Compensating balances			3,800
Warehouse Agreement Borrowings \| Funding Facility 1
Short-Term Debt [Line Items]
Facility Size	150,000
Warehouse lines of credit	117,767		81,423
Cash collateral deposit	$ 3,800
Warehouse Agreement Borrowings \| Funding Facility 1 \| Minimum
Short-Term Debt [Line Items]
Variable interest rate (as a percent)	1.75%
Warehouse Agreement Borrowings \| Funding Facility 1 \| Maximum
Short-Term Debt [Line Items]
Variable interest rate (as a percent)	2.25%
Warehouse Agreement Borrowings \| Funding Facility 2
Short-Term Debt [Line Items]
Facility Size	$ 350,000
Warehouse lines of credit	200,722		117,499
Compensating balances	$ 7,000
Warehouse Agreement Borrowings \| Funding Facility 2 \| Minimum
Short-Term Debt [Line Items]
Variable interest rate (as a percent)	1.75%
Warehouse Agreement Borrowings \| Funding Facility 2 \| Maximum
Short-Term Debt [Line Items]
Variable interest rate (as a percent)	2.75%
Warehouse Agreement Borrowings \| Funding Facility 3
Short-Term Debt [Line Items]
Facility Size	$ 250,000
Warehouse lines of credit	189,092		$ 212,940
Cash collateral deposit	$ 0
Warehouse Agreement Borrowings \| Funding Facility 3 \| Subsequent Event
Short-Term Debt [Line Items]
Facility Size		$ 350,000
Amount committed		$ 100,000
Warehouse Agreement Borrowings \| Funding Facility 3 \| Minimum
Short-Term Debt [Line Items]
Variable interest rate (as a percent)	1.75%
Warehouse Agreement Borrowings \| Funding Facility 3 \| Maximum
Short-Term Debt [Line Items]
Variable interest rate (as a percent)	2.50%