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Commitments and Contingent Liabilities (Tables)
9 Months Ended
Sep. 30, 2019
Commitments and Contingent Liabilities  
Schedule of financial instruments with off-balance sheet risk

September 30, 

December 31, 

(dollars in thousands)

    

2019

    

2018

Financial instruments whose contract amounts represent credit risk:

Commitments to extend credit

$

5,814,078

$

5,549,591

Standby letters of credit

183,992

204,324

Commercial letters of credit

5,024

7,535