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Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2022 | Dec. 31, 2021 | Dec. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Net income from discontinued operations | $ 0.0 | $ 12.0 | $ 0.0 | $ 14.0 |  |  |
Discontinued Operation, Loan Asset Retained | 34.0 |  | 34.0 |  |  | $ 55.0 |
Discontinued Operation, Loan Liability Retained | 26.0 |  | 26.0 |  |  | $ 39.0 |
Sagent M&C, LLC |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Equity Method Investments | 250.0 |  | 250.0 |  |  |  |
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] | Champion Mortgage [Member] |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Revenue - service related, net |  | 1.0 |  | 9.0 |  |  |
Salaries, wages and benefits expense |  | (8.0) |  | (16.0) |  |  |
General and administrative expense |  | 71.0 |  | 64.0 |  |  |
Interest income |  | 43.0 |  | 87.0 |  |  |
Interest expense |  | (30.0) |  | (64.0) |  |  |
Loss on classification as discontinued operations |  | (61.0) |  | (61.0) |  |  |
Income from discontinued operations before income tax expense |  | 16.0 |  | 19.0 |  |  |
Less: Income tax expense |  | 4.0 |  | 5.0 |  |  |
Net income from discontinued operations |  | $ 12.0 |  | $ 14.0 |  |  |
Disposal Group, Discontinued Operation, Transaction Cost | 5.0 |  | 5.0 |  |  |  |
Purchase price |  |  |  |  |  |  | $ 1,640.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Mortgage Servicing Platform |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Disposal Group, Discontinued Operation, Transaction Cost | 0.0 |  | $ 4.0 |  |  |  |
Purchase price |  |  |  |  | $ 260.0 |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent |  |  |  |  | 31.0 |  |
Cash received from disposal |  |  |  |  | $ 9.9 |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | $ 223.0 |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Mortgage Servicing Platform | Sagent M&C, LLC | Mr. Cooper Group Inc. |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Ownership interest percentage |  |  |  |  | 19.90% |  |

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