Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Interest income (Details)

v3.24.0.1
Summary of Significant Accounting Policies - Interest income (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Summary of Significant Accounting Policies      
(Accretion)/amortization on available-for-sale debt securities $ (1,986,000) $ 2,525,000 $ 5,276,000