Loan Portfolio - Summarizes of Interest and Accretion Income from Loan Portfolio (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Receivables [Abstract]
Coupon interest		$ 148,319	$ 171,018	$ 301,326	$ 327,634
Interest on cash, cash equivalents, and other income		2,485	4,378	5,690	6,681
Accretion of fees		4,327	5,339	8,960	10,586
Total interest and related income	[1]	$ 155,131	$ 180,735	$ 315,976	$ 344,901

[1] For the three months ended June 30, 2024 and 2023, we did not recognize any default interest, late fees, pre-payment penalties, and/or accelerated fees. For the six months ended June 30, 2024 and 2023, we recognized $1.3 million and $0.3 million, respectively, in default interest, late fees, pre-payment penalties, and/or accelerated fees.