Variable Interest Entities - (Schedule of Aggregate Assets and Liabilities from VIEs) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Aggregate Assets	$ 39,859,653	$ 39,895,540
Aggregate Liabilities	34,262,668	34,208,770
Variable Interest Entity, Primary Beneficiary [Member] | Securitization Interests [Member]
Variable Interest Entity [Line Items]
Aggregate Assets	95,327	148,463
Aggregate Liabilities	$ 52,593	$ 132,035