XML 18 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8

Financing Arrangements - Additional Information (Detail) (USD $)	Dec. 31, 2013 Tranche A and Tranche A-1 Term Loan [Member]	Mar. 19, 2012 Tranche A and Tranche A-1 Term Loan [Member]	Dec. 31, 2013 Tranche B Term Loan [Member]	Mar. 19, 2012 Tranche B Term Loan [Member]	Jan. 31, 2014 7.50% Subordinated Notes [Member] Subsequent Events [Member]
Debt Instrument [Line Items]
Principal available	$ 25,000,000	$ 25,000,000	$ 100,000,000	$ 100,000,000	$ 150,000,000
Loans outstanding	$ 0	$ 0	$ 0	$ 0
Interest rate on debt					7.50%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-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 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Debt instrument aggregate principal amount.

+ References

No definition available.

+ Details

Name:	wmih_DebtInstrumentAggregatePrincipalAmount
Namespace Prefix:	wmih_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Debt instrument outstanding.

+ References

No definition available.

+ Details

Name:	wmih_DebtInstrumentOutstanding
Namespace Prefix:	wmih_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant