Goodwill and Other Intangible Assets, Summary of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Summary of core deposit intangibles and other intangibles
Amortization of Intangible Assets	$ 2,203	$ 2,203	$ 6,608	$ 6,608
Core Deposits [Member]
Summary of core deposit intangibles and other intangibles
Finite-Lived Core Deposits, Gross					$ 88,109	$ 88,109
Finite-Lived Intangible Assets, Accumulated Amortization	(63,057)		(63,057)		(56,449)
Finite-Lived Intangible Assets, Net, Total	$ 25,052		25,052		31,660
Amortization of Intangible Assets			$ 6,608		$ 8,811