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Significant Accounting Policies - Additional Information (Detail) - USD ($) shares in Millions |  | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 05, 2015 | Jun. 30, 2015 | Feb. 25, 2015 | Jan. 30, 2015 | Dec. 31, 2014 | Feb. 10, 2014 | May. 22, 2012 | Mar. 19, 2012
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Unearned premiums |  | $ 917,000 |  |  | $ 1,094,000 |  |  |
Premium deficiency reserves |  | $ 2,100,000 |  |  | $ 2,300,000 |  |  |
Maximum percent of the voting shares of the emerging entity immediately prior to the confirmation of reorganization |  | 50.00% |  | 42.50% |  |  |  | 50.00%
Company's reorganization value |  |  |  |  |  |  |  | $ 76,600,000
Comprehensive (loss) income |  | $ 0 |  |  |  |  |  |
Common stock reserved for future issuance |  |  | 12.0 |  |  | 3.0 | 2.0 |
Amount of dividends paid on or after Effective Date |  | 0 |  |  |  |  |  |
Preferred stock dividends |  | $ 700,000 |  |  |  |  |  |
Preferred stock dividend rate |  | 3.00% |  |  |  |  |  |
Series B Preferred Stock [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Preferred stock dividends |  | $ 8,000,000 |  |  |  |  |  |
Preferred stock dividend rate | 3.00% |  |  |  |  |  |  |

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831223 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 + Details
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