Quarterly report pursuant to Section 13 or 15(d)

Debt (Interest) (Details)

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Debt (Interest) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Interest Expense, Debt [Abstract]    
Total $ 6,880 $ 3,209
Convertible Notes Credit And Amended And Restated Credit Agreements    
Interest Expense, Debt [Abstract]    
Accretion of debt discount 3,758 1,418
Coupon interest 2,264 755
Amortization of issuance costs 858 450
Undrawn and other fees 216 48
Interest on revolving credit facility 0 2,565
Total $ 7,096 $ 5,236