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COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Off-Balance Sheet Financial Instruments
The following table summarizes the above financial instruments at the dates indicated:
As of December 31
20212020
 (Dollars in thousands)
Commitments to extend credit$4,535,895 $3,301,692 
Loan exposures sold with recourse$202,717 $303,265 
Standby letters of credit$24,412 $20,686 
Deferred standby letter of credit fees$124 $164