Quarterly report pursuant to Section 13 or 15(d)

Debt (Int) (Details)

v3.5.0.2
Debt (Int) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Interest expense on convertible debt        
Total interest expense     $ 4,031 $ 4,697
Convertible Notes, Credit and Amended and Restated Credit Agreements        
Interest expense on convertible debt        
Coupon interest $ 755 $ 755 1,510 1,510
Amortization of issuance costs 719 224 1,438 465
Accretion of debt discount 1,292 1,214 2,578 2,424
Interest on credit agreement 1,263   2,531  
Undrawn and other fees 102 148 166 298
Total interest expense $ 4,131 $ 2,341 $ 8,223 $ 4,697