Loan Portfolio - Summarizes of Interest and Accretion Income from Loan Portfolio (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Coupon interest		$ 662,789	$ 441,320	$ 386,731
Accretion of fees		22,809	24,967	26,487
Interest on cash, cash equivalents, and other income		12,276	4,381	2,045
Total interest and related income	[1]	$ 697,874	$ 470,668	$ 415,263

[1] We recognized $1.6 million, $5.1 million, and $7.3 million in pre-payment penalties and accelerated fees during the years ended December 31, 2023, 2022, and 2021, respectively.