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Summary of Significant Accounting Policies (Policies) | 6 Months Ended
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Jun. 30, 2013
Accounting Policies [Abstract] |
Basis of Presentation | Basis of Presentation The accompanying unaudited, consolidated financial statements for HCI Group, Inc. and its subsidiaries (collectively, the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information, and the Securities and Exchange Commission (“SEC”) rules for interim financial reporting. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been omitted pursuant to such rules and regulations. However, in the opinion of management, the accompanying financial statements reflect all normal recurring adjustments necessary to present fairly the Company’s financial position as of June 30, 2013 and the results of operations and cash flows for the periods presented. The results of operations for the interim periods presented are not necessarily indicative of the results of operations to be expected for any subsequent interim period or for the fiscal year ending December 31, 2013. The accompanying unaudited consolidated financial statements and notes thereto should be read in conjunction with the audited consolidated financial statements for the year ended December 31, 2012 included in the Company’s Form 10-K, which was filed with the SEC on March 14, 2013. In preparing the interim unaudited consolidated financial statements, management was required to make certain estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and related disclosures at the financial reporting date and throughout the periods being reported upon. Certain of the estimates result from judgments that can be subjective and complex and consequently actual results may differ from these estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of losses and loss adjustment expenses, assumed reinsurance balances, the recoverability of deferred policy acquisition costs, and the determination of deferred income taxes. Although considerable variability is inherent in these estimates, management believes that the amounts provided are reasonable. These estimates are continually reviewed and adjusted as necessary. Such adjustments are reflected in current operations. All significant intercompany balances and transactions have been eliminated.
Reclassifications | Reclassifications. Certain reclassifications of prior period amounts have been made to conform to the current period presentation.
Reinsurance Contracts | Reinsurance Contracts The Company enters into excess of loss reinsurance contracts to minimize its net loss exposure to catastrophic loss events. Certain of the Company’s current contracts contain retrospective provisions including terms and conditions that adjust premiums, increase the amount of future coverage, or result in profit commissions based on the loss experience under the contracts. In such cases, a with-and-without method is used to estimate the asset or liability amount to be recognized at each reporting date. The amount of the estimate is the difference between the net contract costs before and after the loss experience under the contract. Estimates related to premium adjustments, profit commissions and coverage changes are recognized in ceded premiums earned. These estimates are reviewed monthly based on the loss experience to date and as adjustments become necessary. Such adjustments are reflected in the Company’s current operations.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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- Definition Disclosure of accounting policy for reclassifications that affects the comparability of the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755 + Details
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- Definition Disclosure of reinsurance accounting policy, for example, but not limited to, description of the methodologies and assumptions underlying determination of reinsurance recoverables, reinsurance payables and retention policy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -URI http://asc.fasb.org/topic&trid=2303980 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.13(c)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph c -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6816-158387 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6588590&loc=d3e27830-158548 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6588590&loc=d3e27758-158548 + Details
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