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Reserves for Insurance Claims and Claim Expenses - Narrative (Details) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 USD ($) loan claim | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |
IBNR, default period (at least) | 60 days |  |  |
Total gross liability for unpaid claims and claim adjustment expenses | $ 18,432 | $ 10,601 | $ 12,811 | $ 8,761
Primary loans in default | loan | 1,028 |  |  |
Number of claims paid | claim | 62 |  |  |
Claims paid, including amounts covered by insurance | $ 1,700 |  |  |
Favorable prior year development | 1,735 | $ 940 |  |
Reserve for prior year insurance claims and claim expenses | $ 8,900 |  |  |
Fannie Mae |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |
Number of loans in pool past due 60 days or more | loan | 54 |  |  |
Risk-in-Force of loans in pool past due 60 days or more | $ 3,400 |  |  |
Loan-to-value ratio (less than) | 0.80 |  |  |
Claims applied to pool deductible | $ 700 |  |  |
Deductible on policy | $ 9,600 |  |  |
QSR Transactions |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |
Number of covered claims included in number of claims paid | claim | 58 |  |  |
Component of claims paid covered under QSR Transaction | $ 300 |  |  |
2016 QSR Transaction | Fannie Mae |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |
Percent of pool RIF reinsured | 100.00% |  |  |

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- Definition Liability for Paid Claims and Claims Adjustment Expense, Number of Covered Claims Included In Number of Paid Claims + References No definition available. + Details
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- Definition Liability for Paid Claims and Claims Adjustment Expense, Number of Paid Claims + References No definition available. + Details
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- Definition Liability for Prior Year Claims and Claims Adjustment Expense + References No definition available. + Details
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- Definition Liability for Unpaid Claims and Claims Adjustment Expense, Claims Applied to Deductible + References No definition available. + Details
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- Definition Amount of payments to settle insured claims and pay costs incurred in the claims settlement process, including amount covered by insurance. + References No definition available. + Details
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- Definition Component of total amount of payments to settle insured claims and pay costs incurred in the claims settlement process, including amount covered by insurance, covered under QSR transaction. + References No definition available. + Details
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- Definition Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Reported (IBNR) Claims, Default Period + References No definition available. + Details
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- Definition Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Reported (IBNR) Claims, Number of Primary Loans in Default + References No definition available. + Details
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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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