CASH, CASH EQUIVALENTS AND RESTRICTED CASH - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
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Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
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Cash and Cash Equivalents [Line Items] | |||||
Cash and cash equivalents | $ 535,253 | $ 104,355 | $ 535,253 | $ 104,355 | $ 312,799 |
Interest income | 7 | 36 | 25 | 503 | |
Restricted cash, noncurrent | 2,177 | 2,177 | 12,077 | ||
Restricted cash | 2,177 | 30,484 | 2,177 | 30,484 | |
Government grant awarded | 76,400 | ||||
Proceeds of Government Grant | 74,200 | ||||
CARES Act grant | 0 | $ 51,646 | 0 | $ 64,923 | |
Line of Credit | Amended 1st Credit Facility | |||||
Cash and Cash Equivalents [Line Items] | |||||
Restricted cash, noncurrent | 10,000 | ||||
Credit facility, borrowing availability | 175,400 | ||||
Money market funds | |||||
Cash and Cash Equivalents [Line Items] | |||||
Cash and cash equivalents | 408,100 | 408,100 | $ 103,500 | ||
Cash Equivalents | |||||
Cash and Cash Equivalents [Line Items] | |||||
Interest income | $ 7 | $ 25 |
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- Definition Government Grant, Amount Awarded No definition available.
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- Definition Government Grant Revenue No definition available.
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- Definition Proceeds of Government Grant No definition available.
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- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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