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REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)
12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Other operating income segregated by revenue streams
The following presents the Company's other operating income, segregated by revenue streams that are in-scope and out-of-scope of ASC 606 for the periods presented:

Year Ended December 31,
(Dollars in thousands)202120202019
Other operating income:
In-scope of ASC 606
Mortgage banking income$1,993 $1,128 $702 
Service charges on deposit accounts6,358 6,234 $8,406 
Other service charges and fees15,281 11,621 12,536 
Income on fiduciary activities5,075 4,829 4,395 
In-scope other operating income28,707 23,812 26,039 
Out-of-scope other operating income14,353 21,386 15,762 
Total other operating income$43,060 $45,198 $41,801