Variable Interest Entities - (Schedule of Aggregate Assets and Liabilities from VIEs) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Aggregate Assets	$ 40,383,727	$ 39,895,540
Aggregate Liabilities	34,845,541	34,208,770
Variable Interest Entity, Primary Beneficiary [Member] | Securitization Interests [Member]
Variable Interest Entity [Line Items]
Aggregate Assets	134,777	148,463
Aggregate Liabilities	$ 116,498	$ 132,035