XML 11 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Service Agreements and Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Related Party Transactions [Abstract] |  |
Expenses incurred under the agreements | $ 809 | $ 886
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. | 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.
Administrative services agreement fee | $ 110 |
Pro Rata Share of the Common Stock Allotment | 10,000,000 |
Percentage of Pro Rata Share of the Common Stock Election | 5.00% |
Principal amount of Runoff Notes | $ 1.00 |
Percentage of interest in Litigation Proceeds | 50.00% |

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
- Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of fee. + References No definition available. + Details
Name: | wmih_DescriptionOfFee
Namespace Prefix: | wmih_
Data Type: | xbrli:stringItemType
Balance Type: | na
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 Principal Amount of Runoff Notes + References No definition available. + Details
Name: | wmih_PrincipalAmountOfRunoffNotes
Namespace Prefix: | wmih_
Data Type: | num:perShareItemType
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. + References No definition available. + Details
Name: | wmih_RelatedPartyTransactionAdministrativeServicesAgreementFee
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant