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Derivative and Hedging Instruments (Schedule of Terms of Interest Rate Cap Agreements) (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Warehouse Facility II [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount | [1] | $ 500.0 |
Warehouse Facility IV [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount | [1] | 300.0 |
Warehouse Facility IV [Member] | 7.5% Cap Interest Rate [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount |  | 300.0 | $ 300.0
Notional Amount |  | $ 300.0 | $ 300.0
Cap Interest Rate | [2] | 7.50% | 7.50%
Warehouse Facility V [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount | [1] | $ 200.0 |
Warehouse Facility V [Member] | 5.44% Cap Interest Rate [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount |  | 200.0 | $ 200.0
Notional Amount |  | $ 59.0 | $ 94.0
Cap Interest Rate | [2] | 5.44% | 5.44%
Warehouse Facility VIII [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount | [1] | $ 200.0 |
Warehouse Facility VIII [Member] | 5.42% Cap Interest Rate [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount |  | 200.0 | $ 200.0
Notional Amount |  | $ 183.3 | $ 200.0
Cap Interest Rate | [2] | 5.42% | 5.42%
Term ABS 2021-1 [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount | [1] | $ 100.0 |
Term ABS 2021-1 [Member] | 5.46% Cap Interest Rate [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount |  |  | $ 100.0
Notional Amount |  |  | $ 37.5
Cap Interest Rate | [2] |  | 5.46%
Term ABS 2022-2 [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount | [1] | $ 300.0 |
Term ABS 2022-2 [Member] | 6.50% Cap Interest Rate [Member] |  |  |
Derivative [Line Items] |  |  |
Debt facility financing amount |  |  | $ 200.0
Notional Amount |  |  | $ 200.0
Cap Interest Rate | [2] |  | 6.50%
[1] | Financing made available only to a specified subsidiary of the Company.
[2] | Rate excludes the spread over the corresponding benchmark rate.

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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