XML 14 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Adjustment Reflects the Elimination of Adjusted Retained Earnings (Detail) (Predecessor [Member], USD $) In Thousands, unless otherwise specified | Mar. 19, 2012 | Dec. 31, 2011
--- | --- | ---
Predecessor [Member] |  |  |
Adjustment reflects the elimination of adjusted retained earnings |  |  |
Retained earnings | $ 101,677 | $ (105,110) | [1]
Adjustment for carve-out allocations | 23,109 |  |
Predecessor adjusted retained earnings | $ 124,786 |  |
[1] | The Balance Sheet at December 31, 2011 is derived from the audited financial statements of the Predecessor.

X
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
Name: | us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Adjusted retained earnings. + References No definition available. + Details
Name: | wmih_AdjustedRetainedEarnings
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Adjustment for carve-out allocations. + References No definition available. + Details
Name: | wmih_AdjustmentForCarveOutAllocations
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | wmih_AdjustmentReflectsEliminationOfAdjustedRetainedEarningsAbstract
Namespace Prefix: | wmih_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration