Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 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)	$ (5.0)	$ (15.0)	$ (5.0)
Equity Method Investments	$ 222.0		$ 222.0		$ 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%