Business Segment Reporting - Schedule of Depreciation and Amortization by Segment (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Segment Reporting Information [Line Items] | |||
| Amortization of debt issuance costs, discount and premium | $ 9.4 | $ 5.7 | |
| Amortization of intangibles | 0.3 | $ 0.3 | |
| Total Assets | 17,735.2 | $ 16,170.6 | |
| Servicing | Operating Segments | |||
| Segment Reporting Information [Line Items] | |||
| Total Assets | 15,175.1 | 14,683.5 | |
| Originations | Operating Segments | |||
| Segment Reporting Information [Line Items] | |||
| Total Assets | 2,212.4 | 1,252.3 | |
| Corporate Segment and Other Operating Segment [Member] | Operating Segments | |||
| Segment Reporting Information [Line Items] | |||
| Total Assets | $ 347.7 | $ 234.8 | |
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- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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