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COMMITMENTS AND CONTINGENCIES (Tables)
9 Months Ended
Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Guarantor Obligations A summary of the Company’s commitments is as follows:
(dollars in thousands)September 30, 2023December 31, 2022
Commitments to extend credit$4,915,246 $6,318,039 
Unused home equity lines of credit388,405 345,001 
Financial standby letters of credit41,034 33,557 
Mortgage interest rate lock commitments275,759 148,148 
Schedule of Allowance for Credit Loss for Unfunded Commitments The following table presents activity in the allowance for unfunded commitments for the periods presented:
Three Months Ended September 30,Nine Months Ended September 30,
(dollars in thousands)2023202220232022
Balance at beginning of period$54,630 $43,973 $52,411 $33,185 
Provision for unfunded commitments(5,634)192 (3,415)10,980 
Balance at end of period$48,996 $44,165 $48,996 $44,165