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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2014
Fair Value Disclosures [Abstract] |
Available-for-Sale Securities Measured at Fair Value | The table indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value as of March 31, 2014 and December 31, 2013:
|  | Fair Value Measurements Using |  |  |  |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Total |
As of March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Financial Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 296,576 |  |  | $ | — |  |  | $ | — |  |  | $ | 296,576 |
Fixed-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and U.S. government agencies |  |  | 3,611 |  |  |  | 842 |  |  |  | — |  |  |  | 4,453 |
Corporate bonds |  |  | 29,837 |  |  |  | 935 |  |  |  | — |  |  |  | 30,772 |
Commercial mortgage-backed securities |  |  | — |  |  |  | 11,278 |  |  |  | — |  |  |  | 11,278 |
State, municipalities, and political subdivisions |  |  | — |  |  |  | 83,045 |  |  |  | — |  |  |  | 83,045 |
Redeemable preferred stock |  |  | 3,565 |  |  |  | — |  |  |  | — |  |  |  | 3,565 |
Total fixed-maturity securities |  |  | 37,013 |  |  |  | 96,100 |  |  |  | — |  |  |  | 133,113 |
Equity securities |  |  | 22,872 |  |  |  | — |  |  |  | — |  |  |  | 22,872 |
Total available-for-sale securities |  |  | 59,885 |  |  |  | 96,100 |  |  |  | — |  |  |  | 155,985 |
Total |  | $ | 356,461 |  |  | $ | 96,100 |  |  | $ | — |  |  | $ | 452,561 |
Financial Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
8% Senior notes |  | $ | — |  |  | $ | 43,438 |  |  | $ | — |  |  | $ | 43,438 |
3.875% Convertible senior notes |  |  | — |  |  |  | — |  |  |  | 87,238 |  |  |  | 87,238 |
Total long-term debt |  | $ | — |  |  | $ | 43,438 |  |  | $ | 87,238 |  |  | $ | 130,676 |
|  | Fair Value Measurements Using |  |  |  |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Total |
As of December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |
Financial Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 293,398 |  |  | $ | — |  |  | $ | — |  |  | $ | 293,398 |
Fixed-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and U.S. government agencies |  |  | 3,520 |  |  |  | 1,044 |  |  |  | — |  |  |  | 4,564 |
Corporate bonds |  |  | 24,476 |  |  |  | 928 |  |  |  | — |  |  |  | 25,404 |
Commercial mortgage-backed securities |  |  | — |  |  |  | 11,332 |  |  |  | — |  |  |  | 11,332 |
State, municipalities, and political subdivisions |  |  | — |  |  |  | 70,451 |  |  |  | — |  |  |  | 70,451 |
Redeemable preferred stock |  |  | 400 |  |  |  | — |  |  |  | — |  |  |  | 400 |
Total fixed-maturity securities |  |  | 28,396 |  |  |  | 83,755 |  |  |  | — |  |  |  | 112,151 |
Equity securities |  |  | 17,649 |  |  |  | — |  |  |  | — |  |  |  | 17,649 |
Total available-for-sale securities |  |  | 46,045 |  |  |  | 83,755 |  |  |  | — |  |  |  | 129,800 |
Total |  | $ | 339,443 |  |  | $ | 83,755 |  |  | $ | — |  |  | $ | 423,198 |
Financial Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
8% Senior notes |  | $ | — |  |  | $ | 43,390 |  |  | $ | — |  |  | $ | 43,390 |
3.875% Convertible senior notes |  |  | — |  |  |  | — |  |  |  | 86,630 |  |  |  | 86,630 |
Total long-term debt |  | $ | — |  |  | $ | 43,390 |  |  | $ | 86,630 |  |  | $ | 130,020 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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