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Loss Reserves (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) loan | Jun. 30, 2016 loan | Jun. 30, 2017 USD ($) loan | Jun. 30, 2016 USD ($) loan | Dec. 31, 2016 USD ($)
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Other items removed from inventory (in loans) | (1,114) | (135) | (1,128) | (1,273) |
Prior years | $ |  |  | $ 298,847 | $ 392,007 |
Premium refund liability, expected claim payments | $ | $ 74,000 |  | 74,000 |  | $ 85,000
Prior years | $ |  |  | $ (103,948) | $ (64,941) |
Primary Default Inventory [Roll Forward] |  |  |  |  |
Default inventory at the beginning of period (in loans) | 45,349 | 55,590 | 50,282 | 62,633 |
New notices (in loans) | 14,463 | 16,080 | 29,402 | 32,811 |
Cures (in loans) | (14,708) | (15,640) | (31,836) | (34,693) |
Paids (including those charged to a deductible or captive) (in loans) | (2,573) | (3,195) | (5,208) | (6,568) |
Rescissions and denials (in loans) | (100) | (142) | (195) | (352) |
Other items removed from inventory (in loans) | (1,114) | (135) | (1,128) | (1,273) |
Default inventory at end of period (in loans) | 41,317 | 52,558 | 41,317 | 52,558 |
Decrease in estimated claim rate on primary defaults |  |  |  |  |
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Percentage of prior year default inventory resolved (as a percent) |  |  | 48.00% | 43.00% |
Prior years | $ |  |  | $ (104,000) | $ (76,000) |
Increase in estimated severity on primary defaults |  |  |  |  |
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Prior years | $ |  |  | 2,000 | 17,000 |
Change in estimates related to pool reserves, LAE reserves and reinsurance |  |  |  |  |
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Prior years | $ |  |  | (2,000) | (6,000) |
Settlements for claims paying practices and nonperforming loan sale |  |  |  |  |
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Prior years | $ |  |  | $ 45,000 | $ 51,000 |

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- Definition The carrying amount for the estimate of premiums to be refunded on expected claim payments. + References No definition available. + Details
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- Definition Deductions from the primary default inventory resulting from loans in default being brought current. + References No definition available. + Details
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