v3.21.2

SUPPLEMENTAL CASH FLOW INFORMATION - Table 3 - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Restricted Cash and Cash Equivalents Items [Line Items]
Cash and cash equivalents	$ 7,948	$ 153,625
Cash, cash equivalents and restricted cash	16,750	162,426	$ 64,294	$ 24,980
Cash and cash equivalents [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Cash and cash equivalents	7,948	153,625
Other long-term assets, net [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash and Cash Equivalents	$ 8,802	$ 8,801

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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