Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary (Details)

v3.20.2
Debt - Summary (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Debt Instrument [Line Items]          
Revolving credit facility balance $ 275,000   $ 275,000   $ 260,000
Convertible Notes due 2023          
Debt Instrument [Line Items]          
Face amount 345,000   345,000   345,000
Unaccreted discount on convertible notes (28,811)   (28,811)   (33,491)
Unamortized issuance costs on convertible notes (5,158)   (5,158)   (5,996)
Convertible notes carrying value $ 311,031   $ 311,031   $ 305,513
Effective interest rate (as a percent) 6.00% 6.00% 6.00% 6.00%