v3.26.1
Mortgage-Backed Securities - Schedule of Fair Value of Mortgage-Backed Securities According to Weighted Average Life Classification (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Greater than one year and less than five years $ 1,166,034 $ 2,031,058
Greater than or equal to five years 5,783,875 4,245,551
Total $ 6,949,909 $ 6,276,609