XML 19 R57.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events - Additional Information (Detail) (USD $) | 0 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Apr. 28, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Apr. 15, 2014 | Apr. 30, 2015
Subsequent Event [Line Items] |  |  |  |  |
Restricted cash received from WMMRC |  | $ 599,588,000 us-gaap_RestrictedCashAndCashEquivalents | $ 2,447,000 us-gaap_RestrictedCashAndCashEquivalents |  |
Notes payable – principal |  | 29,838,000 wmih_NotesPayablePrincipalAmount | 31,220,000 wmih_NotesPayablePrincipalAmount |  |
Common stock, par value |  | $ 0.00001 us-gaap_CommonStockParOrStatedValuePerShare | $ 0.00001 us-gaap_CommonStockParOrStatedValuePerShare |  |
Preferred stock, par value |  | $ 0.00001 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0.00001 us-gaap_PreferredStockParOrStatedValuePerShare |  |
First Lien Runoff Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repayment of notes payable-principal |  |  |  | 665,000 wmih_RepaymentOfNotesPayablePrincipalAmount / us-gaap_LongtermDebtTypeAxis = wmih_FirstLienRunoffNotesMember |
Repayment of notes payable-interest |  |  |  | 11,000 wmih_RepaymentOfNotesPayableInterestAmount / us-gaap_LongtermDebtTypeAxis = wmih_FirstLienRunoffNotesMember |
Second Lien Runoff Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Issued aggregate principal amount |  | 9,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = wmih_SecondLienRunoffNotesMember |  |  |
Interest rate |  | 13.00%us-gaap_DerivativeFixedInterestRate / us-gaap_LongtermDebtTypeAxis = wmih_SecondLienRunoffNotesMember |  |  |
Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Aggregate intrinsic value for restricted shares issued to members by board of directors | 700,000 wmih_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedAggregateIntrinsicValue / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Common stock, par value | $ 0.00001 us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Preferred stock, par value | $ 0.00001 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Subsequent Event [Member] | Minimum [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of member of board of directors | 7 wmih_NumberOfMemberOfBoardOfDirectors / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Subsequent Event [Member] | Maximum [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of member of board of directors | 11 wmih_NumberOfMemberOfBoardOfDirectors / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Subsequent Event [Member] | Maximum [Member] | Common Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shares authorized to issue | 3,500,000,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Subsequent Event [Member] | Maximum [Member] | Preferred Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shares authorized to issue | 10,000,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |
Subsequent Event [Member] | Second Lien Runoff Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Notes payable – principal |  |  |  |  | 29,200,000 wmih_NotesPayablePrincipalAmount / us-gaap_LongtermDebtTypeAxis = wmih_SecondLienRunoffNotesMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
WMMRC [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Restricted cash received from WMMRC |  | $ 3,100,000 us-gaap_RestrictedCashAndCashEquivalents / dei_LegalEntityAxis = wmih_WmmrcMember |  |  |

X
- Definition Face amount or stated value per share of common stock. + 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 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + 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 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
Name: | us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 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 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Notes payable principal amount. + References No definition available. + Details
Name: | wmih_NotesPayablePrincipalAmount
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of member of board of directors. + References No definition available. + Details
Name: | wmih_NumberOfMemberOfBoardOfDirectors
Namespace Prefix: | wmih_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Repayment of notes payable interest amount. + References No definition available. + Details
Name: | wmih_RepaymentOfNotesPayableInterestAmount
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Repayment of notes payable principal amount. + References No definition available. + Details
Name: | wmih_RepaymentOfNotesPayablePrincipalAmount
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Share based compensation arrangement by share based payment award equity instruments other than options granted aggregate intrinsic value. + References No definition available. + Details
Name: | wmih_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedAggregateIntrinsicValue
Namespace Prefix: | wmih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=wmih_WmmrcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |