Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Fair Value and Carrying Value of Long-term Debt (Details)

v3.20.1
Fair Value Measurement - Fair Value and Carrying Value of Long-term Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]    
Long-term debt value (Level 2), Fair Value $ 332,683 $ 309,377
Long-term debt value (Level 2), Carrying Value $ 326,459 $ 307,508