Derivative Instruments - Gain (loss) recognized on derivatives instruments (Details) - Not designated as hedging - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	$ (5,613)	$ (1,931)	$ 1,507
Interest rate swaps | Other noninterest income
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	1	(3)
Interest rate lock commitments | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	(8,660)	8,798	1,216
Forward loan sales commitments | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	(2,174)	2,271	400
TBA mortgage backed securities | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	$ 5,220	$ (12,997)	$ (109)