S-K 1603(a)(9) Restrictions on Selling Securities	Oct. 07, 2025
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]	Earlier to occur of (A) 180 days after the completion of our initial business combination and (B) subsequent to our initial business combination, (x) if the last sale price of our Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 90 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 shareholders having the right to exchange their ordinary shares for cash, securities or other property
SPAC Sponsor, Persons and Entities Subject to Restrictions	Apex Treasury Sponsor LLC Ajmal Rahman Hugh Cochrane James McNaught-Davis Paul Sykes William Mann David Mikulecky Betty Liu John Linden Richard Ma Kester Ng
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Transfers permitted (a) to our officers, directors, advisors or consultants, any affiliate or family member of any of our officers, directors, advisors or consultants, any members or partners of the sponsor or their affiliates and funds and accounts advised by such members or partners, any affiliates of the sponsor, 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) 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 shares or warrants were originally purchased; (f) distributions from our sponsor to its members, partners or shareholders pursuant to our sponsor’s limited liability company agreement or other charter documents; (g) by virtue of the laws of the Cayman Islands or our sponsor’s limited liability company agreement upon dissolution of our sponsor, (h) in the event of our liquidation prior to our consummation of our initial business combination; (i) 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 or (j) to a nominee or custodian of a person or entity to whom a transfer would be permissible under clauses (a) through (g); provided, however, that in the case of clauses (a) through (g), and (j), 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 agreements
Private Placement Warrants [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	Same as above, together with the underwriters
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Same as above
Warrants, Ordinary 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]	180 days after the date of this prospectus
SPAC Sponsor, Persons and Entities Subject to Restrictions	Apex Treasury Sponsor LLC Ajmal Rahman Hugh Cochrane James McNaught-Davis Paul Sykes William Mann David Mikulecky Betty Liu John Linden Richard Ma Kester Ng
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Any units, warrants, ordinary shares or any other securities convertible into, or exercisable or exchangeable for, any units, ordinary shares, founder shares or warrants 180 days after the date of this prospectus Apex Treasury Sponsor LLC Ajmal Rahman Hugh Cochrane James McNaught-Davis Paul Sykes William Mann David Mikulecky Betty Liu John Linden Richard Ma Kester Ng The 180 day lock-up period is pursuant to the underwriting agreement. The representative in its sole discretion may release any of the securities subject to these lock-up agreements at any time without notice, other than in the case of the officers, directors and advisors, which shall be with notice. Our sponsor, officers, directors and advisors are also subject to separate transfer restrictions on their founder shares and private placement warrants pursuant to the letter agreement described in the immediately preceding paragraphs

S-K 1603(a)(9) Restrictions on Selling Securities

Oct. 07, 2025

Earlier to occur of (A) 180 days after the completion of our initial business combination and (B) subsequent to our initial business combination, (x) if the last sale price of our Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 90 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 shareholders having the right to exchange their ordinary shares for cash, securities or other property

SPAC Sponsor, Persons and Entities Subject to Restrictions

Apex Treasury Sponsor LLC Ajmal Rahman Hugh Cochrane James McNaught-Davis Paul Sykes William Mann David Mikulecky Betty Liu John Linden Richard Ma Kester Ng

SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]

Transfers permitted (a) to our officers, directors, advisors or consultants, any affiliate or family member of any of our officers, directors, advisors or consultants, any members or partners of the sponsor or their affiliates and funds and accounts advised by such members or partners, any affiliates of the sponsor, 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) 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 shares or warrants were originally purchased; (f) distributions from our sponsor to its members, partners or shareholders pursuant to our sponsor’s limited liability company agreement or other charter documents; (g) by virtue of the laws of the Cayman Islands or our sponsor’s limited liability company agreement upon dissolution of our sponsor, (h) in the event of our liquidation prior to our consummation of our initial business combination; (i) 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 or (j) to a nominee or custodian of a person or entity to whom a transfer would be permissible under clauses (a) through (g); provided, however, that in the case of clauses (a) through (g), and (j), 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 agreements

Private Placement Warrants [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

Same as above, together with the underwriters

SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]

Same as above

Warrants, Ordinary 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]

180 days after the date of this prospectus

SPAC Sponsor, Persons and Entities Subject to Restrictions

Apex Treasury Sponsor LLC Ajmal Rahman Hugh Cochrane James McNaught-Davis Paul Sykes William Mann David Mikulecky Betty Liu John Linden Richard Ma Kester Ng

SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]

Any units, warrants, ordinary shares or any other securities convertible into, or exercisable or exchangeable for, any units, ordinary shares, founder shares or warrants

180 days after the date of this prospectus

Apex Treasury Sponsor LLC

Ajmal Rahman

Hugh Cochrane

James McNaught-Davis

Paul Sykes

William Mann

David Mikulecky

Betty Liu

John Linden

Richard Ma

Kester Ng

The 180 day lock-up period is pursuant to the underwriting agreement. The representative in its sole discretion may release any of the securities subject to these lock-up agreements at any time without notice, other than in the case of the officers, directors and advisors, which shall be with notice.

Our sponsor, officers, directors and advisors are also subject to separate transfer restrictions on their founder shares and private placement warrants pursuant to the letter agreement described in the immediately preceding paragraphs