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Derivative Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Gain (Loss) on Financial Instruments
The following table sets forth the notional amounts of our financial instruments at September 30, 2022 and December 31, 2021:
September 30, 2022December 31, 2021
(Dollars in thousands)
Interest rate lock commitments$609,271 $268,796 
Forward sales of mortgage-backed securities373,000 275,600 
Mandatory delivery forward loan sale commitments89,631 128,391 
Best-effort delivery forward loan sale commitments325,739 51,993