Derivative Financial Instruments - Derivatives Not Designated as Hedges (Details) - Derivatives Not Designated as Hedging Instruments - Other noninterest income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest rate swaps
Impact on pretax earnings of derivatives not designated as hedges
Net Gains (Losses) on Derivatives			$ 16
Visa Derivative
Impact on pretax earnings of derivatives not designated as hedges
Net Gains (Losses) on Derivatives	$ (5,909)	$ (4,641)	(5,355)
Foreign exchange contracts
Impact on pretax earnings of derivatives not designated as hedges
Net Gains (Losses) on Derivatives			$ 12