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REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)
9 Months Ended
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]  
Noninterest Income Disaggregated by Revenue Source
The following table presents our noninterest income disaggregated by revenue source for the three and nine months ended September 30, 2019 and 2018.
Three Months EndedNine Months Ended
(Dollars in thousands)September 30, 2019September 30, 2018September 30, 2019September 30, 2018
Noninterest income
Service charges on deposits$1,025  $926  $2,802  $2,599  
Loan swap referral fees629   629   
Trust and investment management income1,892  1,668  5,399  5,037  
Brokerage income654  455  1,804  1,514  
Merchant and bankcard fees (interchange income)843  681  2,422  2,047  
Revenue from contracts with customers5,043  3,730  13,056  11,197  
Other service charges265  409  665  1,189  
Mortgage banking activities623  735  1,743  2,049  
Income from life insurance479  533  1,505  1,101  
Other income44  56  188  272  
Investment securities gains2,328  29  4,731  891  
Total noninterest income$8,782  $5,492  $21,888  $16,699