| Fair Value Measurements for Investments in Available-for-Sale Fixed Maturity and Equity Securities |
The following table presents our fair value measurements for our investments in fixed maturity and equity securities at September 30, 2019: | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using | | | | | Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) | | | | | (in thousands) | | U.S. Treasury securities and obligations of U.S. government corporations and agencies | | $ | 19,446 | | | $ | — | | | $ | 19,446 | | | $ | — | | Obligations of states and political subdivisions | | | 59,165 | | | | — | | | | 59,165 | | | | — | | | | | 150,781 | | | | — | | | | 150,781 | | | | — | | Mortgage-backed securities | | | 329,709 | | | | — | | | | 329,709 | | | | — | | | | | 52,099 | | | | 49,746 | | | | 2,353 | | | | — | | | | | | | | | | | | | | | | | | | | Total investments in the fair value hierarchy | | $ | 611,200 | | | $ | 49,746 | | | $ | 561,454 | | | $ | — | | | | | | | | | | | | | | | | | | | |
The following table presents our fair value measurements for our investments in fixed maturity and equity securities at December 31, 2018: | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using | | | | | Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) | | | | | (in thousands) | | U.S. Treasury securities and obligations of U.S. government corporations and agencies | | $ | 44,210 | | | $ | — | | | $ | 44,210 | | | $ | — | | Obligations of states and political subdivisions | | | 75,216 | | | | — | | | | 75,216 | | | | — | | | | | 137,833 | | | | — | | | | 137,833 | | | | — | | Mortgage-backed securities | | | 269,299 | | | | — | | | | 269,299 | | | | — | | | | | 30,675 | | | | 28,351 | | | | 2,324 | | | | — | | | | | | | | | | | | | | | | | | | | Total investments in the fair value hierarchy | | | 557,233 | | | | 28,351 | | | | 528,882 | | | | — | | | | | | | | | | | | | | | | | | | | Investment measured at net asset value | | | 12,992 | | | | — | | | | — | | | | — | | | | | | | | | | | | | | | | | | | | | | $ | 570,225 | | | $ | 28,351 | | | $ | 528,882 | | | $ | — | | | |
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