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Financial Instruments with Off-Balance Sheet Risk (Tables)
 12 Months Ended
Dec. 31, 2022
Financial Instruments With Off-balance Sheet Risk  
Schedule of loan commitments outstanding and lines and letters of credit
Loan commitments outstanding and lines and letters of credit at December 31, 2022 and 2021 are as follows:
(dollars in thousands)20222021
Unfunded loan commitments$2,335,735 $1,763,247 
Unfunded lines of credit107,919 108,209 
Letters of credit100,196 112,509 
Interest rate lock commitments6,963 56,331 
Total$2,550,813 $2,040,296