Supplemental Detail for Certain Components of Consolidated Balance Sheets - Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts payable and accrued expenses consist of the following at:
Derivative liabilities and payables - at fair value	$ 50,216	$ 73,356
Property taxes payable	32,013	23,413
Accrued costs on properties under development	27,110	12,685
Accrued income taxes	16,939	5,182
Merger-related costs	14,591	0
Value-added tax payable	7,796	8,077
Other items	53,985	34,360
Total accounts payable and accrued expenses	269,587	241,336
Notes payable
Accounts payable and accrued expenses consist of the following at:
Interest payable	65,873	83,219
Mortgages, term loans, credit line
Accounts payable and accrued expenses consist of the following at:
Interest payable	$ 1,064	$ 1,044