Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary (Details)

v3.20.1
Debt - Summary (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Debt Instrument [Line Items]      
Revolving credit facility balance $ 290,000   $ 260,000
Convertible Notes due 2023      
Debt Instrument [Line Items]      
Face amount 345,000   345,000
Unaccreted discount on convertible notes (31,160)   (33,491)
Unamortized issuance costs on convertible notes (5,578)   (5,996)
Convertible notes carrying value $ 308,262   $ 305,513
Effective interest rate (as a percent) 6.00% 6.00%