XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Insurance Activity (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Insurance [Abstract] |
Schedule of Premiums Assumed and Earned | Premiums assumed and earned are as follows for the periods ended June 30, 2017 and 2016, respectively:
| Three months ended June 30, 2017 |  |  | Three months ended June 30, 2016 |  |  | Six months ended June 30, 2017 |  |  | Six months ended June 30, 2016 |
Premiums assumed | $ | 319 |  |  | $ | 626 |  |  | $ | 524 |  |  | $ | 1,224 |
Change in unearned premiums |  | 10 |  |  |  | 165 |  |  |  | 235 |  |  |  | 416 |
Premiums earned | $ | 329 |  |  | $ | 791 |  |  | $ | 759 |  |  | $ | 1,640 |
Components of Liability for Losses and Loss Adjustment Reserves | The components of the liability for losses and loss adjustment reserves are as follows as of June 30, 2017 and December 31, 2016, respectively:
| June 30, 2017 |  |  | December 31, 2016 |
Case-basis reserves | $ | 229 |  |  | $ | 553 |
IBNR reserves |  | 1 |  |  |  | — |
Premium deficiency reserves |  | 458 |  |  |  | 258 |
Total losses and loss adjustment reserves | $ | 688 |  |  | $ | 811 |
Summary of Losses and Loss Adjustment Reserve Activity | Losses and loss adjustment reserve activity are as follows for the six months ended June 30, 2017 and the year ended December 31, 2016, respectively:
| Six months ended June 30, 2017 |  |  | Year ended December 31, 2016 |
Balance at beginning of period | $ | 811 |  |  | $ | 5,063 |
Released - prior periods |  | 159 |  |  |  | (669 | )
Paid or terminated - prior periods |  | (282 | ) |  |  | (3,583 | )
Total losses and loss adjustment reserves | $ | 688 |  |  | $ | 811 |

X
- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_EffectsOfReinsuranceTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InsuranceAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 + Details
Name: | us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of Losses and loss adjustment reserve activity. + References No definition available. + Details
Name: | wmih_SummaryOfLossesAndLossAdjustmentReserveActivityTableTextBlock
Namespace Prefix: | wmih_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration