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Nature of Operations and Basis of Presentation - Additional Information (Detail) $ / shares in Units, $ in Thousands | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2016 USD ($) $ / shares shares | Sep. 30, 2015 USD ($) | Sep. 30, 2016 State $ / shares | Dec. 31, 2015 $ / shares
Equity [Line Items] |  |  |  |
Number of states | State |  |  | 13 |
Common stock, par value | $ / shares |  |  | $ 0.01 | $ 0.01
Issuance of common stock |  | $ 511 |  |
Private Placement [Member] | RenaissanceRe Ventures Ltd [Member] |  |  |  |
Equity [Line Items] |  |  |  |
Number of common stock, shares issued | shares | 583,771 |  |  |
Common stock, par value | $ / shares | $ 17.13 |  |  |
Issuance of common stock | $ 10,000 |  |  |
Proceeds used to cancellation of outstanding indebtedness | 7,035 |  |  |
Cash proceeds from private placement | $ 2,965 |  |  |

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