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SECURITIES, Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Available for Sale, Amortized Cost [Abstract]    
Within 1 year $ 78,370  
After 1 year through 5 years 7,317  
After 5 years through 10 years 12,006  
After 10 years 19,642  
Other 221,649  
Amortized cost 338,984 $ 341,036
Available for Sale, Fair Value [Abstract]    
Within 1 year 78,356  
After 1 year through 5 years 7,318  
After 5 years through 10 years 11,997  
After 10 years 20,051  
Other 221,329  
Fair value $ 339,051 $ 338,196