UNAUDITED CONDENSED BALANCE SHEET - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash	$ 117,244
Related party receivable	215,653
Prepaid expenses and other current assets	634,799	$ 5,000
Total Current Assets	967,696	5,000
Cash held in Trust Account	278,015,286
Deferred offering cost		557,663
Total Assets	278,982,982	562,663
Current liabilities:
Accounts payable and accrued offering costs	2,707,465	531,947
Related party loans	462,295	25,716
Total Current Liabilities	3,169,760	557,663
Warrant Liability	19,514,651
Deferred underwriting fee payable	8,505,100
Total Liabilities	31,189,511	557,663
Commitments and Contingencies
Shareholders' Equity
Preference shares, $0.0001 par value; 5,000,000 shares authorized; none issued and outstanding	0	0
Additional paid-in capital	13,319,980	24,280
Accumulated deficit	(8,530,424)	(20,000)
Total Shareholders' Equity	4,790,601	5,000
Total Liabilities and Shareholder's Equity	278,982,982	562,663
Class A Common Stock
Shareholders' Equity
Common stock	350
Class A Common Stock Subject to Redemption
Current liabilities:
Class A ordinary shares subject to possible redemption, 24,300,287 shares at redemption value as of September 30, 2021	243,002,870
Class B Common Stock
Shareholders' Equity
Common stock	$ 695	$ 720

The carrying value as of balance sheet date of underwriting fees payable or deferred, classified as noncurrent.

No definition available.

Name:	aurcu_DeferredOfferingCostsNoncurrent
Namespace Prefix:	aurcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.