Document and Entity Information
Document and Entity Information | Dec. 16, 2019 |
Document And Entity Information [Line Items] | |
Entity Registrant Name | BERKLEY W R CORP |
Amendment Flag | false |
Entity Central Index Key | 0000011544 |
Document Type | 8-K |
Document Period End Date | Dec. 16, 2019 |
Entity Incorporation State Country Code | DE |
Entity File Number | 001-15202 |
Entity Tax Identification Number | 22-1867895 |
Entity Address, Address Line One | 475 Steamboat Road |
Entity Address, City or Town | Greenwich |
Entity Address, State or Province | CT |
Entity Address, Postal Zip Code | 06830 |
City Area Code | (203) |
Local Phone Number | 629-3000 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Common Stock [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Common Stock, par value $.20 per share |
Trading Symbol | WRB |
Security Exchange Name | NYSE |
M 5.625 Subordinated Debentures Due 20534 [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | 5.625% Subordinated Debentures due 2053 |
Trading Symbol | WRB B |
Security Exchange Name | NYSE |
M 5.9 Subordinated Debentures Due 20561 [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | 5.9% Subordinated Debentures due 2056 |
Trading Symbol | WRB C |
Security Exchange Name | NYSE |
M 5.75 Subordinated Debentures Due 20562 [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | 5.75% Subordinated Debentures due 2056 |
Trading Symbol | WRB D |
Security Exchange Name | NYSE |
M 5.70 Subordinated Debentures Due 20583 [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | 5.70% Subordinated Debentures due 2058 |
Trading Symbol | WRB E |
Security Exchange Name | NYSE |