Variable Interest Entities - (Schedule of Aggregate Assets and Liabilities from VIEs) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Assets	$ 37,809,278	$ 37,727,460
Total liabilities	32,411,071	$ 32,433,029
Variable Interest Entity, Primary Beneficiary [Member] | Securitization Interests [Member]
Variable Interest Entity [Line Items]
Assets	150,148
Total liabilities	$ 142,658