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DEBT AND FINANCING ARRANGEMENTS (Details) (USD $) | 6 Months Ended |  | 3 Months Ended | 6 Months Ended | 0 Months Ended |  | 0 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 AXIS Specialty Finance PLC [Member] | Jun. 30, 2014 Senior Notes [Member] | Jun. 30, 2013 Senior Notes [Member] | Jun. 30, 2014 Senior Notes [Member] | Jun. 30, 2013 Senior Notes [Member] | Mar. 13, 2014 Senior Notes [Member] 2014 AXIS Specialty Finance PLC Senior Notes Due 2019 [Member] | Jun. 30, 2014 Senior Notes [Member] 2014 AXIS Specialty Finance PLC Senior Notes Due 2019 [Member] | Mar. 13, 2014 Senior Notes [Member] 2014 AXIS Specialty Finance PLC Senior Notes Due 2045 [Member] | Jun. 30, 2014 Senior Notes [Member] 2014 AXIS Specialty Finance PLC Senior Notes Due 2045 [Member] | Jun. 30, 2014 Senior Notes [Member] 2004 AXIS Capital Holdings Limited Senior Notes [Member]
Senior notes [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Face amount |  |  |  |  |  |  |  |  | $ 250,000,000 |  | $ 250,000,000 | $ 500,000,000
Interest rate |  |  |  |  |  |  |  |  | 2.65% |  | 5.15% | 5.75%
Issue price (percentage of face amount) |  |  |  |  |  |  |  | 99.896% |  | 99.474% |  |
Net proceeds on issuance | 494,344,000 | 0 |  |  |  |  |  | 248,000,000 |  | 246,000,000 |  |
Percentage ownership in subsidiary |  |  | 100.00% |  |  |  |  |  |  |  |  |
Interest Expense |  |  |  | $ 20,000,000 | $ 15,000,000 | $ 35,000,000 | $ 30,000,000 |  |  |  |  |

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