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SCHEDULE I | 12 Months Ended
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Dec. 31, 2016
Summary of Investments, Other than Investments in Related Parties [Abstract] |
Schedule I |
|  | At December 31, 2016 |
|  | Amortized Cost |  | Fair Value |  | Amount shown on the Balance Sheet |
| (in thousands) |  |  |  |  |  |
| Type of investment: |  |  |  |  |  |
| Fixed maturities |  |  |  |  |  |
| U.S. government and agency | $ | 1,681,425 |  |  | $ | 1,656,069 |  |  | $ | 1,656,069 |  |
| Non-U.S. government | 613,282 |  |  | 565,834 |  |  | 565,834 |  |
| Corporate debt | 4,633,834 |  |  | 4,600,743 |  |  | 4,600,743 |  |
| Agency RMBS | 2,487,837 |  |  | 2,465,135 |  |  | 2,465,135 |  |
| CMBS | 664,368 |  |  | 666,237 |  |  | 666,237 |  |
| Non-Agency RMBS | 57,316 |  |  | 56,921 |  |  | 56,921 |  |
| ABS | 1,221,813 |  |  | 1,222,214 |  |  | 1,222,214 |  |
| Municipals | 163,441 |  |  | 163,961 |  |  | 163,961 |  |
| Total fixed maturities | $ | 11,523,316 |  |  | 11,397,114 |  |  | 11,397,114 |  |
| Mortgage loans, at amortized cost and fair value |  |  | 349,969 |  |  | 349,969 |  |
| Short-term investments, at amortized cost and fair value |  |  | 127,461 |  |  | 127,461 |  |
| Equity securities |  |  | 638,744 |  |  | 638,744 |  |
| Other investments (1) |  |  | 534,784 |  |  | 830,219 |  |
| Equity method investments (2) |  |  | — |  |  | 116,000 |  |
| Total investments |  |  | $ | 13,048,072 |  |  | $ | 13,459,507 |  |
(1) | Other investments excludes investments where AXIS is considered to have the ability to exercise significant influence over the operating and financial policies of the investees.
(2) | Equity method investments are excluded as AXIS has the ability to exercise significant influence over the operating and financial policies of the investees.

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- Definition The entire disclosure for the schedule applicable to insurance companies summarizing investments held as of the most recent audited balance sheet. At a minimum, such summary is by three major categories of investments including: (1) fixed maturities primarily consisting of bonds, including convertibles and bonds with warrants, and redeemable preferred stocks, (2) equity securities primarily consisting of common stocks and nonredeemable preferred stocks, and (3) other investments including mortgage loans on real estate, real estate held for investment, real estate acquired in satisfaction of debt, policy loans, other long-term investments, and short-term investments not otherwise categorized. The information provided with respect to each item within each category includes: (A) the original cost of equity securities and, as to fixed maturity securities, original cost reduced by repayments and adjusted for amortization of premiums or accrual of discounts, (B) fair value as of the reporting date, and (C) the amount at which the item within each category is shown in the statement of financial position; with respect to (C), if the amount at which shown in the statement of financial position is different from the items original [amortized] cost or fair value, an explanation of the difference may be included herein. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 7 -Subparagraph (SX 210.12-15) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010 + Details
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