Cover Document
Cover Document | Aug. 05, 2021 | May 10, 2021 |
Entity Information [Line Items] | ||
Entity Central Index Key | 0000874501 | |
Entity Emerging Growth Company | false | |
Written Communications | false | |
City Area Code | (212) | |
Entity Address, Address Line One | One World Trade Center | |
Entity Address, City or Town | New York | |
Entity Address, State or Province | NY | |
Entity Incorporation, State or Country Code | DE | |
Entity Registrant Name | Ambac Financial Group, Inc. | |
Document Period End Date | Aug. 5, 2021 | |
Document Type | 8-K | |
Entity File Number | 1-10777 | |
Entity Tax Identification Number | 13-3621676 | |
Entity Address, Postal Zip Code | 10007 | |
Local Phone Number | 658-7470 | |
Soliciting Material | false | |
Pre-commencement Tender Offer | false | |
Pre-commencement Issuer Tender Offer | false | |
Amendment Flag | false | |
Common Stock [Member] | ||
Entity Information [Line Items] | ||
Title of 12(b) Security | Common stock, par value $0.01 per share | |
Trading Symbol | AMBC | |
Security Exchange Name | NYSE | |
Warrant [Member] | ||
Entity Information [Line Items] | ||
Title of 12(b) Security | Warrants | |
Trading Symbol | AMBCW | |
Security Exchange Name | NYSE |