Supplemental Detail for Certain Components of Consolidated Balance Sheets - Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounts payable and accrued expenses consist of the following at:
Property taxes payable	$ 16,478	$ 18,626
Accrued income taxes	4,429	4,450
Value-added tax payable	4,301	13,434
Accrued costs on properties under development	3,325	5,870
Other items	21,115	31,457
Total accounts payable and accrued expenses	182,177	177,039
Notes payable
Accounts payable and accrued expenses consist of the following at:
Derivative liabilities and payables - at fair value	67,944	26,359
Interest payable	62,709	75,114
Mortgages, term loans, and credit line
Accounts payable and accrued expenses consist of the following at:
Interest payable	$ 1,876	$ 1,729