Derivative Financial Instruments - Gains And Losses On Banking Derivatives Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Recorded gain on banking derivative assets
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	$ 7,605	$ 5,260	$ 5,045	$ 15,069
Recorded (loss) gain on banking derivative liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	(7,487)	(4,960)	(5,231)	(14,324)
Recorded (loss) gain on mortgage banking derivative assets
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	(1,154)	(3,565)	(304)	1,912
Recorded gain (loss) on mortgage banking derivative liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Recorded gain (loss) on banking derivative	$ 495	$ (1,520)	$ (40)	$ (14,096)