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Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Statement of Cash Flows [Abstract]
Cash	$ 2,799	$ 5,230	$ 3,678	$ 4,446
Restricted cash	26,356	16,787	10,630	8,297
Total cash and restricted cash	$ 29,155	$ 22,017	$ 14,308	$ 12,743

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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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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