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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Investments held in Trust Account (Details) - USD ($) | Sep. 30, 2023 | Dec. 31, 2022
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Investments held in Trust Account [Abstract] |  |
Investments held in Trust Account | $ 69,830,544 | $ 285,581,779

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- References No definition available. + Details
Name: | paci_InvestmentsHeldInTrustAccountAbstract
Namespace Prefix: | paci_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_AssetsHeldInTrustNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant