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Other Noninterest Expense
 3 Months Ended
Mar. 31, 2019
Other Income and Expenses [Abstract]  
Other Noninterest Expense
Other Noninterest Expense
A summary of other noninterest expense for the three months ended March 31, 2019 and 2018 is as follows:
 
 
Three months ended March 31,
(Dollars in thousands)
 
2019
 
2018
Lending and other client related processing costs
 
$
5,177

 
$
3,201

Correspondent bank fees
 
3,744

 
3,410

Investment banking activities
 
4,185

 
—

Trade order execution costs
 
2,516

 
—

Data processing services
 
2,899

 
2,492

Telephone
 
2,741

 
2,377

Dues and publications
 
1,524

 
850

Postage and supplies
 
770

 
667

Other
 
9,980

 
5,107

Total other noninterest expense
 
$
33,536

 
$
18,104