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Basis of Presentation and Significant Accounting Policies - Additional Information (Detail) - Segment | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2016 | Dec. 31, 2014
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |
Number of segment |  | 1 |
Contractual delinquent period of loans | 180 days |  | 180 days
Bankruptcy delinquency threshold |  |  | 60 days
Previously Reported [Member] |  |  |
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |
Contractual delinquent period of loans | 365 days |  |

X
- Definition Threshold period past due for non-titled accounts in a confirmed bankruptcy to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Nature of business and significant accounting policies. + References No definition available. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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- Definition Threshold period past due for financing receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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