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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Cash and cash equivalents	$ 37,644		$ 28,116
Restricted cash	44,603	$ 70,187
Cash and cash equivalents, and restricted cash	82,247	$ 106,615	92,768	$ 88,538
Held In Escrow [Member]
Restricted cash	29,538		49,760
Certificates of Deposit [Member]
Restricted cash	8,501		9,162
Held with Trustee [Member]
Restricted cash	$ 6,564		$ 5,730

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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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