Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE DISCLOSURES (Tables)

v3.8.0.1
FAIR VALUE DISCLOSURES (Tables)
 9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Fixed-Rate Debt
The fair value of our fixed-rate debt is derived from quoted market prices by independent dealers (level 2 inputs as per the discussion above) and is as follows (in thousands):
 
 
As of
 
 
September 30, 2017
 
December 31, 2016
 
 
Aggregate
Principal
 
Estimated  Fair
Value
 
Aggregate
Principal
 
Estimated  Fair
Value
4.50% senior notes
 
$
175,000

 
$
175,875

 
$
175,000

 
$
177,625

7.15% senior notes
 
$
300,000

 
$
330,000

 
$
300,000

 
$
325,500

7.00% senior notes
 
$
300,000

 
$
342,750

 
$
300,000

 
$
324,750

6.00% senior notes
 
$
200,000

 
$
213,000

 
$
200,000

 
$
202,500

5.125% senior notes
 
$
300,000

 
$
300,750

 
$
—

 
$
—

1.875% convertible senior notes
 
$
—

 
$
—

 
$
126,500

 
$
126,105