Significant Accounting Policies - Schedule of Class A Ordinary Share subject to Possible Redemption (Details) - Class A Ordinary Shares [Member] - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Temporary Equity [Line Items]
Gross proceeds			$ 250,000,000
Less:
Proceeds allocated to Public Rights			(750,000)
Class A ordinary shares issuance costs			(11,358,489)
Plus:
Remeasurement of carrying value to redemption value	$ 2,652,210	$ 2,636,302	13,864,687
Class A ordinary shares subject to possible redemption	$ 257,044,710	$ 254,392,500	$ 251,756,198

Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 30
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479772/718-30-S55-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 480
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 480
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-URI https://asc.fasb.org/1943274/2147479887/480-10-S45-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 480
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Bleichroeder Acquisition Corp. I 10-Q