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Other Loss, Net (Tables)
 12 Months Ended
Dec. 31, 2015
Other Income and Expenses [Abstract]  
Schedule of Other Loss Net
"Other loss, net" consisted of the following (in thousands): 
 
Years ended December 31,
 
2015
 
2014
 
2013
Interest income
$
(609
)
 
$
(355
)
 
$
(300
)
Interest expense (see Note 8)
9,044

 
9,476

 
9,266

Amortization of debt issuance costs (see Note 8)
1,133

 
1,059

 
1,099

Accretion of debt discounts (see Note 8)
3,866

 
3,594

 
2,826

Loss on debt extinguishment and modification expense (see Note 8)
398

 
—

 
1,593

Loss on derivative instrument (see Notes 2 and 10)
—

 
—

 
11,652

Impairment of equity investment in privately-held company
—

 
—

 
3,711

Gain on third party bankruptcy settlement
(1,128
)
 
(286
)
 
(539
)
Other
(162
)
 
1

 
260

Other loss, net
$
12,542

 
$
13,489

 
$
29,568