S-K 1603(a)(9) Restrictions on Selling Securities	Mar. 06, 2026
Private Placement Units and underlying securities [Member]
SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]
SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]	30 days after the completion of our initial business combination
SPAC Sponsor, Persons and Entities Subject to Restrictions	Apogee Acquisition Sponsor LLC
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Same as above.
Founder Shares [Member]
SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]
SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]	The earlier of (A) six months after the completion of our initial business combination; and (B) subsequent to our initial business combination (x) if the last reported sale price of our Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share dividends, rights issuances, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after our initial business combination or (y) the date on which we complete a liquidation, merger, share exchange, reorganization or other similar transaction that results in all of our public shareholders having the right to exchange their ordinary shares for cash, securities or other property.
SPAC Sponsor, Persons and Entities Subject to Restrictions	Apogee Acquisition Sponsor LLC Jeffrey Smith Tom Watson Anna Brunelle David Quiram Sagiv Shiv Christopher Valentine
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Transfers permitted (a) to (1) the Sponsor’s members, (2) the directors or officers of us, the Sponsor, or the Sponsor’s members, (3) any affiliates or family members of the directors or officers of us, the Sponsor, or the Sponsor’s members, (4) any members or partners of the Sponsor, the Sponsor’s members, or their respective affiliates, or any affiliates of the Sponsor, or the Sponsor’s members, or any employees of such affiliates; (b) in the case of an individual, as a gift to such person’s immediate family or to a trust, the beneficiary of which is a member of such person’s immediate family, an affiliate of such person or to a charitable organization; (c) in the case of an individual, by virtue of laws of descent and distribution upon death of such person; (d) in the case of an individual, pursuant to a qualified domestic relations order; (e) in the case of a trust by distribution to one or more permissible beneficiaries of such trust; (f) by private sales or transfers made in connection with any forward purchase agreement or similar arrangement, in connection with an extension of the completion window or in connection with the consummation of a business combination at prices no greater than the price at which the securities were originally purchased; (g) to us for no value for cancellation in connection with the consummation of the initial our consummation of our initial business combination; (i) by virtue of the laws of the State of Delaware, the Sponsor’s limited liability company agreement, or upon dissolution of such Sponsor; and (j) in the event that, subsequent to our consummation of an initial business combination, we complete a liquidation, merger, share exchange or other similar transaction which results in all of our shareholders having the right to exchange their Class A ordinary shares for cash, securities or other property; provided, however, that in the case of clauses (a) through (f) these permitted transferees must enter into a written agreement agreeing to be bound by these transfer restrictions and the other restrictions contained in the letter agreement.

Apogee Acquisition Corp S-1