v3.26.3
FHLB Advances, Other Borrowings and Subordinated Notes - Schedule of FHLB Advances, Other Borrowings and Subordinated Notes (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Debt Disclosure [Abstract]      
FHLB advances $ 3,450,680 $ 3,451,309 $ 3,151,309
Other borrowings:      
Notes payable 0 0 121,368
Secured borrowings 355,554 422,107 401,863
Other 0 55,859 56,097
Total other borrowings 355,554 477,966 579,328
Subordinated notes 298,903 298,636 298,536
Total FHLB advances, other borrowings and subordinated notes $ 4,105,137 $ 4,227,911 $ 4,029,173