Annual report pursuant to Section 13 and 15(d)

Debt (Int) (Details)

v3.6.0.2
Debt (Int) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Interest expense on convertible debt      
Total interest expense $ 8,244 $ 10,271 $ 626
Convertible Notes, Credit and Amended and Restated Credit Agreements      
Interest expense on convertible debt      
Coupon interest 3,019 3,019 126
Amortization of issuance costs 2,875 1,462 79
Accretion of debt discount 5,237 4,932 242
Interest on credit agreement 5,128 606  
Undrawn and other fees 341 252 179
Total interest expense 16,600 10,271 $ 626
Convertible Notes      
Interest expense on convertible debt      
Accretion of debt discount $ 5,218 $ 4,932