Basis of Presentation - Accounts Receivable and Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Notes receivable (Note 5)	$ 63,954	$ 63,954
Accounts receivable, net	31,735	31,302
Goodwill (Note 6)	26,367	26,354
Restricted cash	21,657	19,924
Equity investment in real estate (Note 4)	18,316	18,764
Prepaid expenses	4,237	12,890
Other assets	25,967	24,215
Accounts receivable and other assets, net	$ 192,233	$ 197,403

Accounts Receivable and Other Assets

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For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of assets classified as other.

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Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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The receivable or note face amount less the unamortized discount or premium.

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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.

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