Stockholders' Equity	9 Months Ended
Sep. 30, 2019
Equity [Abstract]
Stockholders' Equity	13. Stockholders' Equity Upon the consummation of the Merger, the Company assumed and adopted the Nationstar Mortgage Holdings Inc. Second Amended and Restated 2012 Incentive Compensation Plan (“2012 Plan”), as may be amended, that offers equity-based awards to certain key employees of the Company, consultants, and non-employee directors. Additionally, on May 16, 2019, the Company’s stockholders approved the Mr. Cooper Group Inc. 2019 Omnibus Incentive Plan (the “2019 Plan”) which had previously been approved by the Company’s Board of Directors. The equity-based awards under the 2012 Plan and the 2019 Plan include restricted stock units (“RSUs”) granted to employees of the Company, consultants, and non-employee directors. These awards are valued at the fair market value of the Company’s or the Predecessor’s common stock on the grant date as defined in the 2012 Plan and the 2019 Plan. During the nine months ended September 30, 2019 and two months ended September 30, 2018, certain key employees of the Company, consultants, and non-employee directors of the Company were granted 2,525 thousand and 73 thousand RSUs, respectively. During the seven months ended July 31, 2018, certain employees of the Predecessor were granted 3,297 thousand RSUs. The stock awards for employees generally vest in installments of 33.3%, 33.3% and 33.4% respectively on each of the first three anniversaries of the awards, provided that (i) the participant remains continuously employed with the Company during that time or (ii) the participant’s employment has terminated by reason of retirement. The stock awards for non-employee directors generally vest the earlier of (a) the first anniversary of the grant date or (b) the date of the next annual stockholders meeting following the grant date. In addition, upon death or disability, the unvested shares of an award will vest. The Company recorded $5 and $14 of expenses related to equity-based awards during the three and nine months ended September 30, 2019, respectively, and recorded $2 during the two months ended September 30, 2018. In addition, the Predecessor recorded $9 and $17 of expenses related to share-based awards during the one and seven months ended July 31, 2018, respectively, including $7 expenses recognized due to a one-time accelerated vesting of equity awards in connection with the Merger.

13. Stockholders' Equity

Upon the consummation of the Merger, the Company assumed and adopted the Nationstar Mortgage Holdings Inc. Second Amended and Restated 2012 Incentive Compensation Plan (“2012 Plan”), as may be amended, that offers equity-based awards to certain key employees of the Company, consultants, and non-employee directors. Additionally, on May 16, 2019, the Company’s stockholders approved the Mr. Cooper Group Inc. 2019 Omnibus Incentive Plan (the “2019 Plan”) which had previously been approved by the Company’s Board of Directors.

The equity-based awards under the 2012 Plan and the 2019 Plan include restricted stock units (“RSUs”) granted to employees of the Company, consultants, and non-employee directors. These awards are valued at the fair market value of the Company’s or the Predecessor’s common stock on the grant date as defined in the 2012 Plan and the 2019 Plan. During the nine months ended September 30, 2019 and two months ended September 30, 2018, certain key employees of the Company, consultants, and non-employee directors of the Company were granted 2,525 thousand and 73 thousand RSUs, respectively. During the seven months ended July 31, 2018, certain employees of the Predecessor were granted 3,297 thousand RSUs. The stock awards for employees generally vest in installments of 33.3%, 33.3% and 33.4% respectively on each of the first three anniversaries of the awards, provided that (i) the participant remains continuously employed with the Company during that time or (ii) the participant’s employment has terminated by reason of retirement. The stock awards for non-employee directors generally vest the earlier of (a) the first anniversary of the grant date or (b) the date of the next annual stockholders meeting following the grant date. In addition, upon death or disability, the unvested shares of an award will vest.

The Company recorded $5 and $14 of expenses related to equity-based awards during the three and nine months ended September 30, 2019, respectively, and recorded $2 during the two months ended September 30, 2018. In addition, the Predecessor recorded $9 and $17 of expenses related to share-based awards during the one and seven months ended July 31, 2018, respectively, including $7 expenses recognized due to a one-time accelerated vesting of equity awards in connection with the Merger.