Prepaid Expenses and Other Current Assets and Other Assets (Schedule of Prepaid Expense and Other Current Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Prepaid Expenses and Other Current Assets and Other Assets [Abstract]
Prepaid ground rent	$ 2,354	$ 1,632
Prepaid real estate taxes	1,927	3,003
Prepaid taxes	6,748	4,924
Other	27,861	27,188
Total prepaid expenses and other current assets	$ 38,890	$ 36,747

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Name:	us-gaap_PrepaidTaxes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant