| Document and Entity Information | May 23, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | May 23, 2022 |
| Entity Registrant Name | FULTON FINANCIAL CORPORATION |
| Entity Incorporation, State or Country Code | PA |
| Entity File Number | 001-39680 |
| Entity Tax Identification Number | 23-2195389 |
| Entity Address, Address Line One | One Penn Square |
| Entity Address, Address Line Two | P. O. Box 4887 |
| Entity Address, City or Town | Lancaster |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 17604 |
| City Area Code | 717 |
| Local Phone Number | 291-2411 |
| Written Communications | true |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000700564 |
| Amendment Flag | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common stock, par value $2.50 |
| Trading Symbol | FULT |
| Security Exchange Name | NASDAQ |
| Series A Preferred Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Depositary Shares, Each Representing 1/40th Interest in a Share of Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A |
| Trading Symbol | FULTP |
| Security Exchange Name | NASDAQ |
