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Investments in Available-for-Sale Securities (Tables)
12 Months Ended
Dec. 31, 2016
Available-for-sale Securities [Abstract]  
Available-for-sale Securities
The Company’s investments in available-for-sale marketable securities are as follows:
 
Successor
 
December 31, 2016
 
 
 
 
 
 
 
 
 
Balance Sheet
 
 
 
Gross
 
Gross
 
 
 
Classification
 
 
 
Unrealized
 
Unrealized
 
Fair
 
Short-Term
 
Other
 
Cost Basis
 
Gains
 
Losses
 
Value
 
Investments
 
Assets
 
(In thousands)
Available-for-sale:
 
 
 
 
 
 
 
 
 
 
 
Corporate notes and bonds
$
88,161

 
$

 
$
(89
)
 
$
88,072

 
$
88,072

 
$

Equity securities
1,749

 
388

 

 
2,137

 

 
2,137

Total Investments
$
89,910

 
$
388

 
$
(89
)
 
$
90,209

 
$
88,072

 
$
2,137


 
Predecessor
 
December 31, 2015
 
 
 
 
 
 
 
 
 
Balance Sheet
 
 
 
Gross
 
Gross
 
 
 
Classification
 
 
 
Unrealized
 
Unrealized
 
Fair
 
Short-Term
 
Other
 
Cost Basis
 
Gains
 
Losses
 
Value
 
Investments
 
Assets
 
(In thousands)
Available-for-sale:
 
 
 
 
 
 
 
 
 
 
 
U.S. government and agency securities
$
10,007

 
$

 
$
(12
)
 
$
9,995

 
$
9,995

 
$

Corporate notes and bonds
190,496

 

 
(299
)
 
190,197

 
190,197

 

Equity securities
3,938

 
668

 
(2,888
)
 
1,718

 

 
1,718

Total Investments
$
204,441

 
$
668

 
$
(3,199
)
 
$
201,910

 
$
200,192

 
$
1,718