Goodwill and Other Intangible Assets, Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Core Deposits [Member]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	$ 13,788
Finite-Lived Intangible Asset, Expected Amortization, Year One	26,167
Finite-Lived Intangible Asset, Expected Amortization, Year Two	18,965
Finite-Lived Intangible Asset, Expected Amortization, Year Three	15,285
Finite-Lived Intangible Asset, Expected Amortization, Year Four	11,788
Finite-Lived Intangible Asset, Expected Amortization, Year Five	9,851
Finite-Lived Intangible Asset, Expected Amortization, after Year Five	21,109
Finite-Lived Intangible Assets, Net, Total	116,953	$ 22,849
Servicing Contracts [Member]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	4,817
Finite-Lived Intangible Asset, Expected Amortization, Year One	11,601
Finite-Lived Intangible Asset, Expected Amortization, Year Two	11,838
Finite-Lived Intangible Asset, Expected Amortization, Year Three	11,189
Finite-Lived Intangible Asset, Expected Amortization, Year Four	10,214
Finite-Lived Intangible Asset, Expected Amortization, Year Five	9,123
Finite-Lived Intangible Asset, Expected Amortization, after Year Five	28,901
Finite-Lived Intangible Assets, Net, Total	$ 87,683