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Stock Repurchase Program (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jun. 16, 2014
Feb. 13, 2007
Jul. 24, 2002
Stock Repurchase Program (Textual)        
Outstanding common stock to be repurchased 35 250    
Common Stock | 2002 Program [Member]        
Stock Repurchase Program (Textual)        
Value of outstanding common stock to be repurchased $ 72     $ 300
Common Stock | 2007 Program [Member]        
Stock Repurchase Program (Textual)        
Outstanding common stock to be repurchased 100   100