Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.20.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Fair Value on Non-Recurring Basis    
Amount outstanding $ 719,984  
Senior Notes    
Fair Value on Non-Recurring Basis    
Amount outstanding 400,000 $ 400,000
Fair Value on Non-Recurring Basis | Level 1 fair value measurement | Senior Notes    
Fair Value on Non-Recurring Basis    
Fair value $ 417,000