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Commitments and Contingencies - Additional Information (Detail) $ in Thousands |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 10, 2013 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2016 USD ($) Partnership
Commitment And Contingencies [Line Items] |  |  |
Future minimum aggregate amounts payable to the reinsurers for year one |  |  | $ 19,400
Future minimum aggregate amounts payable to the reinsurers for year two |  |  | 19,400
Unfunded Balance |  | $ 18,224 | $ 13,554
Capital Commitment [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Number of limited partnership interests received capital contribution | Partnership |  |  | 3
Premium Tax [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Loss contingency amount | $ 1,754 |  |
Proposed premium tax adjustment with interest | $ 1,913 |  |
Loss contingency related to credit disallowance |  |  | The auditor's proposed adjustments primarily related to the Department's proposed disallowance of the entire amount of $1,754 in Florida salary credits applicable to that period.
Settlement of premium tax and interest |  | 38 |
Reemployment tax filing refunds |  | 57 |
Net benefit realized from litigation settlement |  | $ 19 |

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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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