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Reinsurance - Additional Information (Detail) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 USD ($) Reinsurers | Jun. 30, 2014 USD ($) | Jun. 30, 2015 USD ($) Reinsurers | Jun. 30, 2014 USD ($) | Dec. 31, 2014 USD ($) Reinsurers
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |  |  |  |
Number of reinsurers | Reinsurers | 21 |  | 21 |  | 28
Reinsurance recoverable | $ 0 |  | $ 0 |  | $ 0
Credit risk associated with reinsurance receivables | 0 |  | 0 |  | 0
Recoveries pertaining to reinsurance contracts | 0 | $ 0 | 0 | $ 0 |
Net reduction in ceded premiums | 6,241,000 | $ 5,056,000 | 12,614,000 | $ 10,540,000 |
Other assets | 48,151,000 |  | 48,151,000 |  | 35,587,000
Prepaid reinsurance premiums | 33,418,000 |  | 33,418,000 |  | 34,096,000
Reinsurance [Member] |  |  |  |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |  |  |  |
Other assets | 41,503,000 |  | 41,503,000 |  | 28,596,000
Prepaid reinsurance premiums | $ 5,691,000 |  | $ 5,691,000 |  | $ 5,983,000

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- Definition Net reduction to ceded premium resulting from reinsurance adjustments. + References No definition available. + Details
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- Definition Number of reinsurers participating in the company's reinsurance program. + References No definition available. + Details
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- Definition The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 7 + Details
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- Definition The unexpired portion of premiums ceded on policies in force as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prepaid Reinsurance Premiums -URI http://asc.fasb.org/extlink&oid=6521719 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 340 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6485982&loc=d3e22818-158507 + Details
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- Definition Amount of recovery (expense) related to provision for policy benefits and costs incurred for policies assumed and ceded. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14764-158437 + Details
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- Definition Amount after valuation allowance recoverable including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6824-158387 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),6) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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