Supplemental Detail for Certain Components of Consolidated Balance Sheets - Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accounts payable and accrued expenses
Derivative liabilities and payables - at fair value	$ 73,356	$ 26,359
Property taxes payable	23,413	18,626
Accrued costs on properties under development	12,685	5,870
Value-added tax payable	8,077	13,434
Accrued income taxes	5,182	4,450
Other items	34,360	31,457
Total accounts payable and accrued expenses	241,336	177,039
Notes and bonds payable
Accounts payable and accrued expenses
Interest payable	83,219	75,114
Mortgages, term loans, credit line
Accounts payable and accrued expenses
Interest payable	$ 1,044	$ 1,729