XML 34 R30.htm IDEA: XBRL DOCUMENT v3.20.1
FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2020
FAIR VALUE MEASUREMENTS  
Summary of fair value measurements within the hierarchy

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

March 31, 2020

​

December 31, 2019

​

​

    

Level 1

    

Level 2

    

Level 3

    

Level 1

    

Level 2

    

Level 3

 

​

​

(in thousands)

​

Long-term debt

​

$

—

​

$

471,918

​

$

—

​

$

—

​

$

736,206

​

$

—

​

Total

​

$

—

​

$

471,918

​

$

—

​

$

—

​

$

736,206

​

$

—

​