SELECTED FINANCIAL STATEMENT CAPTIONS - LIABILITIES (Details 2) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Other Long Term Liabilities [Line Items]
Other long-term liabilities	$ 31,507	$ 33,173
Trade Discount [Member]
Other Long Term Liabilities [Line Items]
Other long-term liabilities	21,480	23,148
Unearned Revenue [Member]
Other Long Term Liabilities [Line Items]
Other long-term liabilities	10,000	10,000
Other Long-Term Liabilities [Member]
Other Long Term Liabilities [Line Items]
Other long-term liabilities	$ 27	$ 25