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COMMITMENTS AND CONTINGENT LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Guarantor Obligations A summary of the Company’s commitments is as follows:
December 31,
(dollars in thousands)20222021
Commitments to extend credit$6,318,039 $4,328,749 
Unused home equity lines of credit345,001 272,029 
Financial standby letters of credit33,557 36,184 
Mortgage interest rate lock commitments148,148 417,126 
Schedule of Financing Receivable, Allowance for Credit Loss The following table presents activity in the allowance for unfunded commitments for the periods presented.
Years Ended December 31,
(dollars in thousands)202220212020
Balance at beginning of period$33,185 $32,853 $1,077 
Adjustment to reflect adoption of ASU 2016-13— — 12,714 
Provision for unfunded commitments19,226 332 19,062 
Balance at end of period$52,411 $33,185 $32,853