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GOODWILL AND INTANGIBLE ASSETS
 12 Months Ended
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS
The following table presents presents changes in goodwill for years ended December 31.
(Dollars in thousands)201820172016
Balance, beginning of year$719 $719 $0 
Acquired goodwill11,873 0 719 
Balance, end of year$12,592 $719 $719 
The following table presents changes in other intangible assets for years ended December 31.
(Dollars in thousands)201820172016
Balance, beginning of year$356 $458 $207 
Acquired CDI3,840 0 0 
Acquired other customer relationship intangibles0 0 350 
Amortization expense(286)(102)(99)
Balance, end of year$3,910 $356 $458 

The following table presents the components of other identifiable intangible assets at December 31.
2018 2017 
(Dollars in thousands)Gross Carrying Amount Accumulated Amortization Gross Carrying Amount Accumulated Amortization 
Amortized intangible assets: 
Core deposit intangibles $3,840 $190 $0 $0 
Other customer relationship intangibles 931 671 937 581 
Total $4,771 $861 $937 $581 

The following table presents estimated aggregate amortization expense for years ending December 31.
(Dollars in thousands)
2019$788 
2020687 
2021598 
2022513 
2023429 
Thereafter895 
$3,910