Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2022
Sagent M&C, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Equity Method Investments	$ 4.0	$ 11.0
Equity Method Investments	$ 226.0	226.0		$ 250.0
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%