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OTHER INCOME (Tables)
6 Months Ended
Jun. 30, 2018
Other Income and Expenses [Abstract]  
Other Income [Table Text Block] Other income consisted of the following for the periods set forth below (amounts in thousands):
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2018
 
2017
 
2018
 
2017
Equity investment income
$
1,067

 
$
530

 
$
2,183

 
$
1,350

Interest income
532

 
801

 
1,149

 
1,774

Building rental income
410

 
595

 
988

 
1,195

Investment gain related to investments for deferred compensation
567

 
497

 
688

 
1,347

Other (expense) income
(99
)
 
(673
)
 
5,219

 
(1,239
)
 
$
2,477

 
$
1,750

 
$
10,227

 
$
4,427