Derivative Financial Instruments - Offsetting of Derivative Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Derivatives subject to master netting arrangements:
Gross amounts offset in the consolidated balance sheet	$ (86,559)	$ (64,977)
Total
Gross amounts of recognized assets	190,460	398,672
Net amounts of assets presented in the balance sheet	103,901	333,695
Interest rate lock commitments
Total
Net amounts of assets presented in the balance sheet	70,685	323,473
MBS put options
Total
Gross amounts of recognized assets	7,868	7,655
Swaptions | Purchases
Total
Gross amounts of recognized assets		1,625
Forward contracts | Purchases
Total
Gross amounts of recognized assets	61,855	20,485
Forward contracts | Sales
Total
Gross amounts of recognized assets	24,499	40,215
Put options on Eurodollar futures | Purchases
Total
Gross amounts of recognized assets	11,844	3,141
Call options on Eurodollar futures | Purchases
Total
Gross amounts of recognized assets	$ 13,709	$ 2,078