XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Service Agreements and Related Party Transactions - Additional Information (Detail) $ / shares in Units, $ in Thousands |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 14, 2014 Directors | Sep. 30, 2017 USD ($) $ / shares shares | Sep. 30, 2016 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
WMMRC [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Administrative services agreement fee |  | $ 110 |  |  |
Pro Rata Share of the Common Stock Allotment | shares |  | 10,000,000 |  |  |
Percentage of Pro Rata Share of the Common Stock Election |  | 5.00% |  |  |
Percentage of interest in litigation proceeds |  | 50.00% |  |  |
Lawsuit against number of former directors | Directors | 16 |  |  |  |
Litigation settlement amount |  |  |  |  | $ 37,000
Litigation settlement reserve for reimbursement of contingent fees and expenses |  |  |  |  | 3,000
WMMRC [Member] | Runoff Notes [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Principal amount of Runoff Notes | $ / shares |  | $ 1.00 |  |  |
WMMRC [Member] | Investment Management Agreement And Administrative Services Agreement [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expenses incurred under the agreements |  | $ 1,000 | $ 1,000 |  |
WMMRC [Member] | Investment Management Agreement [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Description of fee |  | fee equal to the product of (x) the ending dollar amount of assets under management during the calendar month in question and (y) .002 divided by 12. |  |  |
WMI Holdings Corp [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Litigation settlement reserve for reimbursement of contingent fees and expenses |  | $ 1,500 |  |  |
Other income |  |  |  | $ 123 | 7,800
Income from litigation proceeds |  | $ 123 |  |  |
KKR Capital Markets LLC [Member] | Redeemable Convertible Series B Preferred Stock [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Payment of stock offering fee |  |  |  |  | 8,250
Payment of additional deferred Fee |  |  |  |  | $ 8,250

X
- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
Name: | us-gaap_GainLossRelatedToLitigationSettlement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LitigationReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of defendants named in a legal action. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfDefendants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue and income classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.4) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
Name: | us-gaap_OtherIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Description of the terms and manner of settlement of the related party transaction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionTermsAndMannerOfSettlement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notes payable original principal amount to be converted upon exercise of right to elect to receive pro rata share of common stock allotment. + References No definition available. + Details
Name: | wmih_NotesPayableOriginalPrincipalAmountToBeConvertedUponExerciseOfRightToElectToReceiveProRataShareOfCommonStockAllotment
Namespace Prefix: | wmih_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payment of additional deferred fee. + References No definition available. + Details
Name: | wmih_PaymentOfAdditionalDeferredFee
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of interest in litigation proceeds. + References No definition available. + Details
Name: | wmih_PercentageOfInterestInLitigationProceeds
Namespace Prefix: | wmih_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of pro rata share of common stock election. + References No definition available. + Details
Name: | wmih_PercentageOfProRataShareOfCommonStockElection
Namespace Prefix: | wmih_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pro rata share of common stock election. + References No definition available. + Details
Name: | wmih_ProRataShareOfCommonStockElection
Namespace Prefix: | wmih_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related party transaction administrative services agreement fee per month. + References No definition available. + Details
Name: | wmih_RelatedPartyTransactionAdministrativeServicesAgreementFeePerMonth
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=wmih_WMMortgageReinsuranceCompanyIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=wmih_RunoffNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=wmih_InvestmentManagementAgreementAndAdministrativeServicesAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=wmih_InvestmentManagementAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=wmih_WMIHoldingsCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=wmih_KKRCapitalMarketsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_RedeemableConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |