Quarterly report pursuant to Section 13 or 15(d)

SELECTED FINANCIAL STATEMENT CAPTIONS - LIABILITIES (Details 1)

v3.21.2
SELECTED FINANCIAL STATEMENT CAPTIONS - LIABILITIES (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Other Long Term Liabilities [Line Items]      
Other long-term liabilities $ 36,968 $ 33,750 $ 35,637
Other Long-Term Liabilities [Member]      
Other Long Term Liabilities [Line Items]      
Other long-term liabilities 10 8  
Unearned Revenue [Member]      
Other Long Term Liabilities [Line Items]      
Other long-term liabilities 10,536 10,500  
Trade Discount [Member]      
Other Long Term Liabilities [Line Items]      
Other long-term liabilities $ 26,422 $ 23,242