Goodwill and Identifiable Intangible Assets - Schedule of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 87,674	$ 88,999
Accumulated Amortization	87,548	88,763
Net Carrying Amount	126	236
Core Deposit Intangibles [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	87,674	87,674
Accumulated Amortization	87,548	87,438
Net Carrying Amount	$ 126	236
Remaining Weighted-Average Amortization Periods in Years	1 year
Banking Charters [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 0	1,325
Accumulated Amortization	0	1,325
Net Carrying Amount	$ 0	$ 0