XML 29 R19.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONVERTIBLE SENIOR NOTES (Tables)
6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]  
Debt Net of Discounts and Deferred Financing Costs

Debt, net of discounts and deferred financing costs at June 30, 2018 and December 31, 2017, consisted of the following (in thousands):

 

 

 

June 30,

2018

 

 

December 31,

2017

 

Principal

 

$

517,500

 

 

$

517,500

 

Deferred financing costs

 

 

(8,997

)

 

 

(9,652

)

Debt discount, net

 

 

(129,618

)

 

 

(138,230

)

Net carrying amount

 

$

378,885

 

 

$

369,618