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Summary Of Investments Other Than Investments In Related Parties | 12 Months Ended
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Dec. 31, 2017
Summary of Investments, Other than Investments in Related Parties [Abstract] |
Summary Of Investments Other Than Investments In Related Parties |
MERCURY GENERAL CORPORATION AND SUBSIDIARIES SUMMARY OF INVESTMENTS OTHER THAN INVESTMENTS IN RELATED PARTIES DECEMBER 31, 2017
Type of Investment | Cost |  | Fair Value |  | Amounts in the Balance Sheet
| (Amounts in thousands)
Fixed maturity securities: |  |  |  |  |
U.S. government bonds | $ | 13,355 |  |  | $ | 13,236 |  |  | $ | 13,236 |
Municipal securities | 2,490,150 |  |  | 2,556,532 |  |  | 2,556,532 |
Mortgage-backed securities | 26,454 |  |  | 27,165 |  |  | 27,165 |
Corporate securities | 136,013 |  |  | 137,542 |  |  | 137,542 |
Collateralized loan obligations | 104,323 |  |  | 105,202 |  |  | 105,202 |
Other asset-backed securities | 52,935 |  |  | 53,100 |  |  | 53,100 |
Total fixed maturity securities | 2,823,230 |  |  | 2,892,777 |  |  | 2,892,777 |
Equity securities: |  |  |  |  |
Common stock | 368,619 |  |  | 429,367 |  |  | 429,367 |
Non-redeemable preferred stock | 34,429 |  |  | 34,869 |  |  | 34,869 |
Private equity fund | 1,481 |  |  | 1,481 |  |  | 1,481 |
Private equity fund measured at net asset value (1) | 69,668 |  |  | 71,523 |  |  | 71,523 |
Total equity securities | 474,197 |  |  | 537,240 |  |  | 537,240 |
Short-term investments | 302,693 |  |  | 302,711 |  |  | 302,711 |
Total investments | $ | 3,600,120 |  |  | $ | 3,732,728 |  |  | $ | 3,732,728 |
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(1) | The fair value is measured using the NAV practical expedient. See Note 4. Fair Value Measurements of the Notes to Consolidated Financial Statements for additional information.
SCHEDULE I, Continued
MERCURY GENERAL CORPORATION AND SUBSIDIARIES SUMMARY OF INVESTMENTS OTHER THAN INVESTMENTS IN RELATED PARTIES DECEMBER 31, 2016
Type of Investment | Cost |  | Fair Value |  | Amounts in the Balance Sheet
| (Amounts in thousands)
Fixed maturity securities: |  |  |  |  |
U.S. government bonds and agencies | $ | 12,288 |  |  | $ | 12,275 |  |  | $ | 12,275 |
Municipal securities | 2,432,181 |  |  | 2,449,292 |  |  | 2,449,292 |
Mortgage-backed securities | 39,082 |  |  | 39,777 |  |  | 39,777 |
Corporate securities | 189,780 |  |  | 189,688 |  |  | 189,688 |
Collateralized loan obligations | 85,429 |  |  | 86,525 |  |  | 86,525 |
Other asset-backed securities | 36,650 |  |  | 36,996 |  |  | 36,996 |
Total fixed maturity securities | 2,795,410 |  |  | 2,814,553 |  |  | 2,814,553 |
Equity securities: |  |  |  |  |
Common stock | 286,503 |  |  | 316,450 |  |  | 316,450 |
Non-redeemable preferred stock | 32,436 |  |  | 31,809 |  |  | 31,809 |
Private equity funds | 12,831 |  |  | 9,068 |  |  | 9,068 |
Total equity securities | 331,770 |  |  | 357,327 |  |  | 357,327 |
Short-term investments | 375,700 |  |  | 375,680 |  |  | 375,680 |
Total investments | $ | 3,502,880 |  |  | $ | 3,547,560 |  |  | $ | 3,547,560 |

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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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