Notes Payable	3 Months Ended
Mar. 31, 2018
Debt Disclosure [Abstract]
Notes Payable	Note 7: Notes Payable On the Effective Date, WMIH issued $110.0 million aggregate principal amount of its 13% Senior First Lien Notes due 2030 (the “First Lien Notes”) under an indenture, dated as of March 19, 2012 (the “First Lien Indenture”), between WMIH and Wilmington Trust, National Association, as Trustee. Additionally, WMIH issued $20.0 million aggregate principal amount of its 13% Senior Second Lien Notes due 2030 (the “Second Lien Notes” and, together with the First Lien Notes, the “Runoff Notes”) under an indenture, dated as of March 19, 2012 (the “Second Lien Indenture” and, together with the First Lien Indenture, the “Indentures”), between WMIH and the Law Debenture Trust Company of New York, as Trustee. On January 5, 2017, The Law Debenture Trust Company of New York notified WMIH that it had completed the transfer of substantially all of its corporate trust business to Delaware Trust Company, and that Delaware Trust Company had become the successor trustee under the Second Lien Indenture. The Runoff Notes were scheduled to mature on March 19, 2030 and pay interest quarterly. As of April 15, 2015, the First Lien Notes were fully redeemed by the Company, and on April 27, 2015, the First Lien Indenture was satisfied and discharged. As of September 29, 2017, the Second Lien Notes were fully redeemed by the Company, and on October 2, 2017, the Second Lien Indenture was satisfied and discharged. As a result of the satisfaction and discharge of the Second Lien Indenture, the Collateral Account (as defined in the Indentures) was subsequently closed and the remaining funds transferred to cash and cash equivalents to be used for general corporate purposes.

Note 7: Notes Payable

On the Effective Date, WMIH issued $110.0 million aggregate principal amount of its 13% Senior First Lien Notes due 2030 (the “First Lien Notes”) under an indenture, dated as of March 19, 2012 (the “First Lien Indenture”), between WMIH and Wilmington Trust, National Association, as Trustee. Additionally, WMIH issued $20.0 million aggregate principal amount of its 13% Senior Second Lien Notes due 2030 (the “Second Lien Notes” and, together with the First Lien Notes, the “Runoff Notes”) under an indenture, dated as of March 19, 2012 (the “Second Lien Indenture” and, together with the First Lien Indenture, the “Indentures”), between WMIH and the Law Debenture Trust Company of New York, as Trustee. On January 5, 2017, The Law Debenture Trust Company of New York notified WMIH that it had completed the transfer of substantially all of its corporate trust business to Delaware Trust Company, and that Delaware Trust Company had become the successor trustee under the Second Lien Indenture. The Runoff Notes were scheduled to mature on March 19, 2030 and pay interest quarterly.

As of April 15, 2015, the First Lien Notes were fully redeemed by the Company, and on April 27, 2015, the First Lien Indenture was satisfied and discharged. As of September 29, 2017, the Second Lien Notes were fully redeemed by the Company, and on October 2, 2017, the Second Lien Indenture was satisfied and discharged. As a result of the satisfaction and discharge of the Second Lien Indenture, the Collateral Account (as defined in the Indentures) was subsequently closed and the remaining funds transferred to cash and cash equivalents to be used for general corporate purposes.