XML 50 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments in debt and equity securities (Tables)
 3 Months Ended
Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]  
Investments
The Company’s investments in these short-term and long-term debt and equity investments consist of the following:
 
March 31, 2018
 
December 31, 2017
 
Debt
securities
 
Equity
securities
 
Total
 
Debt
securities
 
Equity
securities
 
Total
Certificates of deposit and other time deposits
$
3,402

 
$
—

 
$
3,402

 
$
31,630

 
$
—

 
$
31,630

Investments in mutual funds and common stock
—

 
35,544

 
35,544

 
—

 
38,895

 
38,895

 
$
3,402

 
$
35,544

 
$
38,946

 
$
31,630

 
$
38,895

 
$
70,525

Short-term investments
$
3,402

 
$
1,200

 
$
4,602

 
$
31,630

 
$
1,200

 
$
32,830

Long-term investments
—

 
34,344

 
34,344

 
—

 
37,695

 
37,695

 
$
3,402

 
$
35,544

 
$
38,946

 
$
31,630

 
$
38,895

 
$
70,525