Finance Receivables - Special Product (New Neighbor Guaranty program) - Additional Information (Detail) - USD ($) |
6 Months Ended | 12 Months Ended |
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Jun. 30, 2019 |
Dec. 31, 2018 |
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| Special Product [Member] | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Delinquent assessments maximum due period purchases basis | 48 months | |
| Maximum future contingent payments | $ 249,000 | |
| New Neighbor Guaranty (NNG) [Member] | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Allowance for credit losses | $ 20,000 | $ 41,000 |
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- Definition Delinquent assessments maximum due period purchases basis. No definition available.
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- Definition Maximum future contingent payments. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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