Cover
Cover - USD ($) $ in Millions | 12 Months Ended | ||
Dec. 31, 2022 | Apr. 27, 2023 | Jun. 30, 2022 | |
Document Information [Line Items] | |||
Document Type | 10-K/A | ||
Amendment Flag | false | ||
Document Annual Report | true | ||
Document Transition Report | false | ||
Document Period End Date | Dec. 31, 2022 | ||
Document Fiscal Period Focus | FY | ||
Document Fiscal Year Focus | 2022 | ||
Current Fiscal Year End Date | --12-31 | ||
Entity File Number | 1-15259 | ||
Entity Registrant Name | ARGO GROUP INTERNATIONAL HOLDINGS, LTD | ||
Entity Central Index Key | 0001091748 | ||
Entity Tax Identification Number | 98-0214719 | ||
Entity Incorporation, State or Country Code | D0 | ||
Entity Address, Address Line One | 90 Pitts Bay Road | ||
Entity Address, City or Town | Pembroke | ||
Entity Address, Country | BM | ||
Entity Address, Postal Zip Code | HM08 | ||
City Area Code | 441 | ||
Local Phone Number | 296-5858 | ||
Entity Well-known Seasoned Issuer | No | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Large Accelerated Filer | ||
Entity Small Business | false | ||
Entity Emerging Growth Company | false | ||
Entity Shell Company | false | ||
Entity Public Float | $ 1,286.9 | ||
Entity Common Stock, Shares Outstanding | 35,169,460 | ||
ICFR Auditor Attestation Flag | true | ||
Auditor Name | KPMG LLP | ||
Auditor Location | New York, NY | ||
Auditor Firm ID | 185 | ||
Ernst Young L L P [Member] | |||
Document Information [Line Items] | |||
Auditor Name | Ernst & Young LLP | ||
Auditor Location | San Antonio, Texas | ||
Auditor Firm ID | 42 | ||
Common Stock [Member] | |||
Document Information [Line Items] | |||
Title of 12(b) Security | Common Stock, par value of $1.00 per share | ||
Trading Symbol | ARGO | ||
Security Exchange Name | NYSE | ||
6.500% Senior Notes due 2042 issued by Argo Group U.S., Inc. and the Guarantee with respects thereto[Member] | |||
Document Information [Line Items] | |||
Title of 12(b) Security | 6.500% Senior Notes due 2042 issued by Argo Group U.S., Inc. and the Guarantee with respects thereto | ||
Trading Symbol | ARGD | ||
Security Exchange Name | NYSE | ||
Depositary Shares[Member] | |||
Document Information [Line Items] | |||
Title of 12(b) Security | Depositary Shares, Each Representing a 1/1000th Interest in a 7.00% Resettable Fixed Rate Preference Share, Series A, Par Value $1.00 Per Share | ||
Trading Symbol | ARGOPrA | ||
Security Exchange Name | NYSE |