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OTHER INCOME (Tables)
9 Months Ended
Sep. 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
 
Nine months ended
 
September 30,
 
September 30,
 
2018
 
2017
 
2018
 
2017
Equity investment income
$
1,016

 
$
1,391

 
$
3,199

 
$
2,741

Interest income
456

 
872

 
1,605

 
2,646

Building rental income
381

 
594

 
1,369

 
1,789

Investment gain related to investments for deferred compensation

 
480

 
688

 
1,827

Other income (expense)
5,584

 
(768
)
 
10,803

 
(2,007
)
 
$
7,437

 
$
2,569

 
$
17,664

 
$
6,996