Derivative and Hedging Activities Derivative Impact on Perfomance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Fair Value, Inputs, Level 3
Derivative Instruments
Derivative Asset	$ 972		$ 972		$ 0
Interest Rate Lock Commitments and Forward Commitments Total | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
Derivative Instruments
Derivative Asset	6,159		6,159		$ 9,624
Capital markets, net | Interest rate-related instruments — customer and mirror, net
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	557	$ 507	2,546	$ (2,648)
Capital markets, net | Foreign currency exchange forwards
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(8)	49	109	(31)
Capital markets, net | Commodity contracts
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(124)	(86)	(1,256)	555
Mortgage banking, net | Interest rate lock commitments (mortgage)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(1,356)	(4,948)	(4,438)	5,361
Mortgage banking, net | Forward commitments (mortgage)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (1,402)	$ 1,293	$ (3,017)	$ 710