| Cover | Jan. 03, 2024 |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | This Amendment to Current Report on Form 8-K is being filed to amend the Current Report on Form 8-K filed by FTAC Emerald Acquisition Corp. (the “Company”) on January 8, 2024 (the “Original Form 8-K”) solely to include an updated deadline for stockholders to elect to receive cash in connection with the Optional Redemption (defined below). This Amendment solely amends and restates Items 8.01 and 9.01 as identified below. This Amendment does not amend any other item of the Original Form 8-K and the text of the Original Form 8-K is hereby incorporated by reference. |
| Document Period End Date | Jan. 03, 2024 |
| Entity File Number | 001-41168 |
| Entity Registrant Name | FTAC EMERALD ACQUISITION CORP. |
| Entity Central Index Key | 0001889123 |
| Entity Tax Identification Number | 86-2170416 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 2929 Arch Street |
| Entity Address, Address Line Two | Suite 1703 |
| Entity Address, City or Town | Philadelphia |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 19104 |
| City Area Code | 215 |
| Local Phone Number | 701-9555 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A common stock, par value $0.0001 per share, and one-half of one redeemable warrant | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, par value $0.0001 per share, and one-half of one redeemable warrant |
| Trading Symbol | EMLDU |
| Security Exchange Name | NASDAQ |
| Shares of Class A common stock, par value $0.0001 per share, included as part of the units | |
| Title of 12(b) Security | Shares of Class A common stock, par value $0.0001 per share, included as part of the units |
| Trading Symbol | EMLD |
| Security Exchange Name | NASDAQ |
| Redeemable warrants, each exercisable for one share of Class A common stock for $11.50 per share | |
| Title of 12(b) Security | Redeemable warrants, each exercisable for one share of Class A common stock for $11.50 per share |
| Trading Symbol | EMLDW |
| Security Exchange Name | NASDAQ |
