Quarterly report [Sections 13 or 15(d)]

Fair Value - Recurring Fair Value Measurements (Details)

v3.25.3
Fair Value - Recurring Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Assets:            
Mortgage servicing rights $ 2,626,706 $ 3,015,643 $ 2,994,271 $ 2,884,304 $ 3,065,415 $ 3,052,016
Derivative assets 135,431   10,114      
Liabilities:            
Derivative liabilities 7,720   24,897      
Fair Value, Recurring            
Assets:            
Available-for-sale securities 6,348,157   7,371,711      
Mortgage servicing rights 2,626,706   2,994,271      
Mortgage loans held-for-sale 12,635   2,334      
Derivative assets 135,431   10,114      
Total Assets 9,122,929   10,378,430      
Liabilities:            
Derivative liabilities 7,720   24,897      
Total Liabilities 7,720   24,897      
Level 1 | Fair Value, Recurring            
Assets:            
Available-for-sale securities 0   0      
Mortgage servicing rights 0   0      
Mortgage loans held-for-sale 0   0      
Derivative assets 1,050   732      
Total Assets 1,050   732      
Liabilities:            
Derivative liabilities 7,720   24,883      
Total Liabilities 7,720   24,883      
Level 2 | Fair Value, Recurring            
Assets:            
Available-for-sale securities 6,344,873   7,367,977      
Mortgage servicing rights 0   0      
Mortgage loans held-for-sale 12,635   2,334      
Derivative assets 133,313   9,231      
Total Assets 6,490,821   7,379,542      
Liabilities:            
Derivative liabilities 0   1      
Total Liabilities 0   1      
Level 3 | Fair Value, Recurring            
Assets:            
Available-for-sale securities 3,284   3,734      
Mortgage servicing rights 2,626,706   2,994,271      
Mortgage loans held-for-sale 0   0      
Derivative assets 1,068   151      
Total Assets 2,631,058   2,998,156      
Liabilities:            
Derivative liabilities 0   13      
Total Liabilities $ 0   $ 13