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Cash and Cash Equivalents | 3 Months Ended
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Mar. 31, 2021
Cash and Cash Equivalents [Abstract] |
Cash and Cash Equivalents Disclosure | Cash and Cash Equivalents Cash and cash equivalents consists of the following components (dollars in thousands):
|  | March 31, 2021 |  | December 31, 2020
Cash and cash equivalents - unrestricted |  | $ | 409,980 |  |  | $ | 62,790 |
Cash - restricted (a) |  | 11,160 |  |  | 11,160 |
Total cash and cash equivalents |  | $ | 421,140 |  |  | $ | 73,950 |
__________________________ (a) Includes cash placed on deposit with a financial institution to be held as cash collateral for the Company's outstanding letters of credit.

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- Definition The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) 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. Generally, only investments maturing within three months from the date of acquisition qualify. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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