Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Current Assets
Cash	$ 352	$ 187,778
Prepaid expenses	71,018	87,377
Total Current Assets	71,370	275,155
Cash and investments held in Trust Account	29,319,955	90,084,477
Total Assets	29,391,325	90,359,632
Current Liabilities
Accounts payable and accrued expenses	88,363	78,128
Total Current Liabilities	1,297,429	791,922
Deferred underwriting commission payable	862,500	862,500
Total Liabilities	2,159,929	1,654,422
Commitments and Contingencies
Shareholders’ Deficit:
Preference shares, $0.0001 par value, 5,000,000 shares authorized, none issued and outstanding
Additional paid-in capital
Accumulated deficit	(2,088,799)	(1,379,507)
Total Shareholders’ Deficit	(2,088,559)	(1,379,267)
Total Liabilities, Ordinary Shares Subject to Possible Redemptions and Shareholders’ Deficit	29,391,325	90,359,632
Class A Ordinary Shares
Current Liabilities
Class A ordinary shares subject to possible redemption, 2,735,906 and 8,625,000 shares at conversion value of $10.72 and $10.44 per share as of June 30, 2026 and December 31, 2025, respectively	29,319,955	90,084,477
Shareholders’ Deficit:
Ordinary shares, value	24	24
Class B Ordinary Shares
Shareholders’ Deficit:
Ordinary shares, value	216	216
Related Party
Current Liabilities
Due to related parties	566	294
Working capital loans - related party	$ 1,208,500	$ 713,500

Deferred underwriting commission payable.

No definition available.

Name:	pgac_DeferredUnderwritingCommissionPayableNoncurrent
Namespace Prefix:	pgac_
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.