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Cash, cash equivalents and restricted cash (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Cash and cash equivalents	$ 211,967	$ 139,881
Long-term restricted cash	750	6,653
Total cash, cash equivalents and restricted cash	212,717	$ 146,534	$ 162,173	$ 184,902
Letter of credit related to workers' compensation insurance	700
Deposit related to customs activity	100
Sale leaseback obligation | Beverly Property Owner LLC
Letter of credit associated with security deposit for leaseback transaction	5,900
Revolving credit facility
Restricted cash which relates to support of outstanding letters of credit	$ 800

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- Definition

The amount of deposits relating customs activity.

+ References

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Represents the information pertaining to the portion of the line of credit availability being used to support the outstanding letters of credit.

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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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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. 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. Cash equivalents include, but are not limited to, 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.

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Amount of cash and cash equivalents 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. Cash equivalents include, but are not limited to, 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.

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The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

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Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.

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