Summary of Significant Accounting Policies - Restricted Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	$ 90,191	$ 60,169
SPV
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	22,512	38,388
SPV II
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	19,864	3,057
SPV III
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	3,722	0
SPV IV
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	6,146	0
2022 Issuer
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	27,725	10,996
2023 Issuer
Restricted Cash and Cash Equivalents Items [Line Items]
Total restricted cash and cash equivalents	$ 10,222	$ 7,728