Goodwill and Intangible Assets, Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Core Deposits [Member]
Estimated future amortization expense
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 8,811
Finite-Lived Intangible Assets, Amortization Expense, Year Two	8,811
Finite-Lived Intangible Assets, Amortization Expense, Year Three	3,485
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,681
Finite-Lived Intangible Assets, Amortization Expense, Year Five	61
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	0
Finite-Lived Intangible Assets, Net, Total	22,849	$ 31,660	$ 40,471
Servicing Contracts [Member]
Estimated future amortization expense
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	10,559
Finite-Lived Intangible Assets, Amortization Expense, Year Two	11,814
Finite-Lived Intangible Assets, Amortization Expense, Year Three	11,616
Finite-Lived Intangible Assets, Amortization Expense, Year Four	10,645
Finite-Lived Intangible Assets, Amortization Expense, Year Five	9,440
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	32,263
Finite-Lived Intangible Assets, Net, Total	$ 86,337