| Fair value hierarchy of financial assets and financial liabilities measured on a recurring basis |
At December 31, 2015 and 2014, we classified our financial instruments measured at fair value on a recurring basis in the following valuation hierarchy: | | | | | | | | | | | | | | | | | | December 31, 2015 | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total Fair Value | AFS fixed maturities | | | | | | | | | U.S. treasury bonds | | $ | 6,010 |
| | $ | — |
| | $ | — |
| | $ | 6,010 |
| U.S. agency bonds – mortgage-backed | | — |
| | 1,476,991 |
| | — |
| | 1,476,991 |
| U.S. agency bonds – other | | — |
| | 24,311 |
| | — |
| | 24,311 |
| Non-U.S. government and supranational bonds | | — |
| | 30,544 |
| | — |
| | 30,544 |
| Asset-backed securities | | — |
| | 165,804 |
| | — |
| | 165,804 |
| Corporate bonds | | — |
| | 1,739,668 |
| | — |
| | 1,739,668 |
| Municipal bonds | | — |
| | 64,760 |
| | — |
| | 64,760 |
| Other investments | | 4,905 |
| | — |
| | 6,907 |
| | 11,812 |
| Total | | $ | 10,915 |
| | $ | 3,502,078 |
| | $ | 6,907 |
| | $ | 3,519,900 |
| As a percentage of total assets | | 0.2 | % | | 61.3 | % | | 0.1 | % | | 61.6 | % |
| | | | | | | | | | | | | | | | | | December 31, 2014 | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total Fair Value | AFS fixed maturities | | | | | | | | | U.S. treasury bonds | | $ | 9,360 |
| | $ | — |
| | $ | — |
| | $ | 9,360 |
| U.S. agency bonds – mortgage-backed | | — |
| | 1,322,443 |
| | — |
| | 1,322,443 |
| U.S. agency bonds – other | | — |
| | 7,988 |
| | — |
| | 7,988 |
| Non-U.S. government and supranational bonds | | — |
| | 51,643 |
| | — |
| | 51,643 |
| Asset-backed securities | | — |
| | 54,780 |
| | — |
| | 54,780 |
| Corporate bonds | | — |
| | 1,895,379 |
| | — |
| | 1,895,379 |
| Municipal bonds | | — |
| | 65,819 |
| | — |
| | 65,819 |
| Short-term investments | | — |
| | 49,492 |
| | — |
| | 49,492 |
| Other investments | | 5,990 |
| | — |
| | 6,581 |
| | 12,571 |
| Total | | $ | 15,350 |
| | $ | 3,447,544 |
| | $ | 6,581 |
| | $ | 3,469,475 |
| As a percentage of total assets | | 0.3 | % | | 66.8 | % | | 0.1 | % | | 67.2 | % |
|
| Changes in Level 3 for financial instruments measured at fair value on a recurring basis |
The following table presents changes in Level 3 of our financial instruments measured at fair value on a recurring basis for the years ended December 31, 2015 and 2014: | | | | | | | | | | | | For the Year Ended December 31, | Other investments: | | 2015 | | 2014 | Balance at beginning of period | | $ | 6,581 |
| | $ | 5,092 |
| Total realized gains – included in net realized gains on investment | | 192 |
| | 439 |
| Total realized losses – included in net realized gains on investment | | — |
| | — |
| Change in total unrealized gains – included in other comprehensive income (loss) | | 373 |
| | 1,139 |
| Change in total unrealized losses – included in other comprehensive income (loss) | | — |
| | — |
| Purchases | | 217 |
| | 6,698 |
| Sales and redemptions | | (456 | ) | | (797 | ) | Transfers into Level 3 | | — |
| | — |
| Transfers out of Level 3 | | — |
| | (5,990 | ) | Balance at end of period | | $ | 6,907 |
| | $ | 6,581 |
| Level 3 gains (losses) included in net income attributable to the change in unrealized gains (losses) relating to assets held at the reporting date | | $ | — |
| | $ | — |
|
|
| Carrying values of financial instruments not measured at fair value |
The following table presents the fair value and carrying value of the financial instruments not measured at fair value: | | | | | | | | | | | | | | | | | | | | December 31, 2015 | | December 31, 2014 | | | Carrying Value | | Fair Value | | Carrying Value | | Fair Value | Financial Assets | | | | | | | | | HTM - corporate bonds | | $ | 607,843 |
| | $ | 598,975 |
| | $ | — |
| | $ | — |
| Total financial assets | | $ | 607,843 |
| | $ | 598,975 |
| | $ | — |
| | $ | — |
| | | | | | | | | | Financial Liabilities | | | | | | | | | MHNA - 8.25% | | $ | 107,500 |
| | $ | 110,424 |
| | $ | 107,500 |
| | $ | 113,391 |
| MHNB - 8.00% | | 100,000 |
| | 105,328 |
| | 100,000 |
| | 106,320 |
| MHNC - 7.75% | | 152,500 |
| | 165,456 |
| | 152,500 |
| | 162,016 |
| Total financial liabilities | | $ | 360,000 |
| | $ | 381,208 |
| | $ | 360,000 |
| | $ | 381,727 |
|
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