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Financial Instruments with Off-Balance Sheet Risk (Tables)
12 Months Ended
Dec. 31, 2020
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, 2020 and 2019 are as follows:
(dollars in thousands)20202019
Unfunded loan commitments$2,175,271 $2,176,641 
Unfunded lines of credit107,683 86,426 
Letters of credit70,779 69,723 
Total$2,353,733 $2,332,790